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<div  align="center"><font size="2" face="Times New Roman">As Filed with the Securities and Exchange Commission on March 18, 2005</font></div>
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<div  align="right"><font size="2" face="Times New Roman">Registration No. 333-_______</font></div>
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<div  align="center"><font size="4" face="Times New Roman"><b>SECURITIES AND EXCHANGE COMMISSION</b><font size="5"><br>  </font><b>Washington, DC 20549</b></font></div>

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<div  align="center"><font size="4" face="Times New Roman"><b>FORM S-8<br>  REGISTRATION STATEMENT UNDER<br>  </b><b>THE  SECURITIES ACT OF 1933</b></font></div>

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<div  align="center"><font size="3" face="Times New Roman"><b>BRANDYWINE REALTY TRUST<br>  </b><font size="1"><b>(Exact name  of registrant as specified in charter)</b></font></font></div>

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  <div  align="center"><font size="2" face="Times New Roman"><b>Maryland</b></font></div>
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  <div  align="center"><font size="1" face="Times New Roman"><b>(State or    other jurisdiction of incorporation or organization)</b></font></div>
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  <div  align="center"><font size="1" face="Times New Roman"><b>(I.R.S.    Employer Identification No.)</b></font></div>
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<div  align="center"><font size="2" face="Times New Roman"><b>401 Plymouth Road</b></font></div>

<div  align="center"><font size="2" face="Times New Roman"><b>Plymouth Meeting,  Pennsylvania 19462</b></font></div>

<div  align="center"><font size="2" face="Times New Roman"><b>(610) 325-5600<br></b></font><font size="1"><b>(Address of  principal executive offices)</b></font></div>   <div><font size="2" face="Times New Roman">&nbsp;</font></div>

<div  align="center"><font size="3" face="Times New Roman"><b>BRANDYWINE  REALTY TRUST EXECUTIVE DEFERRED COMPENSATION PLAN<br>  </b><font size="1"><b>(Full title  of the plan)</b></font></font></div>

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<div  align="center"><font size="2" face="Times New Roman"><b>Gerard H. Sweeney<br>  President and Chief Executive Officer<br>  Brandywine Realty Trust<br>  401 Plymouth Road<br>  Plymouth Meeting, Pennsylvania 19462<br></b><font size="1"><b>(Name and  address of agent for service)</b></font></font></div>

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<div  align="center"><font size="2" face="Times New Roman"><b>(610) 325-5600<br></b><font size="1"><b>(Telephone  number, including area code, of agent for service)</b></font></font></div>


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<div  align="center"><font size="2" face="Times New Roman"><b>CALCULATION OF  REGISTRATION FEE</b></font></div>

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  <div  align="center"><font size="1" face="Times New Roman"><b>Title of    securities to be registered</b></font></div>
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  <div  align="center"><font size="1" face="Times New Roman"><b>Amount to    be<br>    registered</b></font></div>
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  <div  align="center"><font size="1" face="Times New Roman"><b>Proposed<br>    maximum offering<br>    price per unit(1)</b></font></div>
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  <div  align="center"><font size="1" face="Times New Roman"><b>Proposed<br>    maximum<br>    aggregate<br>    offering price(2)</b></font></div>
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  <Div style="margin-left: 3%; text-indent:-3%"><font size="2" face="Times New Roman">Deferred Compensation    Obligations(1)</font></div>
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  <div><font size="2" face="Times New Roman">$</font></div>
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  <div  align="right"><font size="2" face="Times New Roman">7,000,000</font></div>
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  <div  align="right"><font size="2" face="Times New Roman">100</font></div>
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  <div><font size="2" face="Times New Roman">%</font></div>
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  <div  align="right"><font size="2" face="Times New Roman">7,000,000</font></div>
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  <div  align="right"><font size="2" face="Times New Roman">823.90</font></div>
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  <div><font size="2" face="Times New Roman">(1)</font></div>
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  <div><font size="2" face="Times New Roman">The deferred compensation    obligations to which this Registration Statement relates (the &#147;Deferred    Compensation Obligations&#148;) arise under the Brandywine Realty Trust Executive    Deferred Compensation Plan (the &#147;Plan&#148;) and are unsecured obligations of    Brandywine Realty Trust to pay deferred compensation in the future pursuant to    compensation deferral elections made by participants in the Plan in    accordance with the terms of the Plan.</font></div>
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  <div><font size="2" face="Times New Roman">(2)</font></div>
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  <div><font size="2" face="Times New Roman">Estimated pursuant to rule    457(h) under the Securities Act of 1933, as amended, solely for the purpose    of calculating the registration fee.</font></div>
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<div  align="center"><font size="2" face="Times New Roman"><b>PART I<br>  INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</b></font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  documents containing information specified in Part I will be sent or given to  employees as specified by Rule 428(b)(1).&#160;  In accordance with the instructions to Part I of Form S-8, such  documents will not be filed with the Securities and Exchange Commission (the  &#147;Commission&#148;) either as part of this Registration Statement or as prospectuses  or prospectus supplements pursuant to Rule 424.</font></div>

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<div  align="center"><font size="2" face="Times New Roman"><b>PART II<br>  INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</b></font></div>

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<div><font size="2" face="Times New Roman"><b>Item  3.&#160; Incorporation of Documents by  Reference.</b></font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  Securities and Exchange Commission (the &#147;SEC&#148;) allows us to &#147;incorporate by  reference&#148; the information we file with them, which means that we can disclose  important information to you by referring you to those documents.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We  incorporate by reference the documents listed below:</font></div>

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  <div><font size="2" face="Times New Roman">(i)</font></div>
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  <div><font size="2" face="Times New Roman">Our Annual    Report on Form 10-K for the fiscal year ended December 31, 2004;</font></div>
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  <div><font size="2" face="Times New Roman">(ii)</font></div>
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  <div><font size="2" face="Times New Roman">Our Current    Reports on Form 8-K filed February 15, 2005 and February 28, 2005.</font></div>
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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All  documents filed by us pursuant to Sections 13(a), 13(c), 14 or 15(d) of the  Securities Exchange Act of 1934 (the &#147;Exchange Act&#148;) after the date hereof and  prior to the filing of a post-effective amendment which indicates that all  securities offered pursuant to this Registration Statement have been sold or  which deregisters all securities then remaining unsold, shall be deemed to be  incorporated by reference herein and to be a part hereof from the date of  filing of such documents.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;You  may request a copy of these filings (including exhibits to such filings that we  have specifically incorporated by reference in such filings), at no cost.&#160; Telephone or written requests for copies  should be directed to:</font></div>

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<div  align="center"><font size="2" face="Times New Roman">Brad A. Molotsky<br>  Secretary<br>  Brandywine Realty Trust<br>  401 Plymouth Road<br>  Plymouth Meeting, Pennsylvania 19462<br>  (610) 325-5600</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any  statement contained in a document incorporated or deemed to be incorporated by  reference herein shall be deemed to be modified or superseded for purposes of  this Registration Statement to the extent that a statement contained herein or  in any other subsequently filed document which also is or is deemed to be  incorporated by reference herein modifies or supersedes such statement.&#160; Any such statement so modified or superseded  shall not be deemed, except as so modified or superseded, to constitute part of  this Registration Statement.</font></div>

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<div  align="center"><font size="2" face="Times New Roman">-2-</font></div>

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<div><font size="2" face="Times New Roman"><b>Item  4.&#160; Description of Securities.</b></font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  following description of the deferred compensation obligations of the  Registrant under the Plan is qualified by reference to the Plan, which is  included as an exhibit to this registration statement.&#160; Capitalized terms used in this Item 4 and  not otherwise defined in this registration statement shall have the respective  meanings attributed to such terms in the Plan.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  Plan continues the deferral opportunity offered under a deferred compensation  plan the Registrant adopted in 2000.&#160; In  connection with new requirements imposed on deferred compensation plans by the  American Jobs Creation Act of 2004 and the regulations to be issued thereunder  (&#147;AJCA&#148;), the Registrant froze the prior plan to new deferrals and adopted the  Plan, which is intended to comply with the AJCA.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  deferred compensation obligations incurred by the Registrant under the Plan  will be unsecured general obligations of the Registrant to pay the Compensation  deferred in accordance with the terms of the Plan, and will rank equally with  other unsecured and unsubordinated indebtedness of the Registrant, from time to  time outstanding, payable from the general assets of the Registrant.&#160; The Registrant has several  subsidiaries.&#160; The right of the  Registrant, and hence the right of creditors of the Registrant (including  Participants in the Plan), to participate in a distribution of the assets of  any such subsidiary upon its liquidation or reorganization or otherwise, is  subject to the prior claims of creditors of the applicable subsidiary.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Under  the Plan, the Registrant will provide eligible employees and members of the  Board of Trustees of the Registrant with the opportunity to elect to defer a  portion of the Compensation to be received from the Company.&#160; Participants are permitted to defer up to  85% of their Compensation that is classified as base salary and up to 100% of  their Compensation that is classified as bonus (after required payroll  withholdings and deductions).&#160;  Participants who are Trustees may defer up to 100% of their Board  Remuneration.&#160; Participants are fully  and immediately vested in their own deferrals.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Participants&#146;  deferrals (other than deferrals of Board Remuneration) are matched at the same  rate as under the Registrant&#146;s tax-qualified 401(k) plan.&#160; In addition, certain &#147;make-up&#148; Matching  Contributions are credited in cases where Participants&#146; deferrals and associated  matching contributions are limited under such 401(k) plan because of  limitations imposed by the Code or because of participation in the Plan.&#160; The Plan permits the crediting of Profit  Sharing Contributions and Supplemental Profit Sharing Contributions.&#160; In addition, for Participants who defer 25%  of their bonus and deem such deferral invested in the Employer Stock Fund, as  to bonus deferrals in excess of 25% that are deemed invested in the Employer  Stock Fund (&#147;Excess Bonus&#148;), Additional Company
Contributions in the amount of  15% of such Excess Bonus are credited.&#160;  If, as determined by the Committee in its discretion, a Participant has  satisfied the target share ownership requirements, all bonus deferrals deemed  invested in the Employer Stock Fund are entitled to Additional Company Contributions  in the amount of 15% of such bonus deferrals.&#160;  All employer contributions are credited to the Retirement Distribution  Account.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If  a Participant terminates Service, other than due to Retirement, Disability or  death, prior to being credited with five years of service, as determined  pursuant to the terms of the Registrant&#146;s 401(k) plan, all or a portion of the  Participant&#146;s Retirement Distribution Account attributable to</font></div>

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<div><font size="2" face="Times New Roman">Matching Contributions shall be  forfeited, based on a graded five-year vesting schedule, pursuant to which a  Participant is deemed vested an additional 20% after completion of each year of  service.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Earnings  and losses are credited or debited, as the case may be, to Participants&#146; accounts.&#160; The rate of return to be credited or debited  is based on the investment options designated by the Committee, including the  Employer Stock Fund.&#160; Participants may  direct the manner in which their deferrals are deemed invested from among these  investment options, and may change their investment directions from time to  time in accordance with procedures established by the Committee.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Under  the terms of the Plan, deferrals of Compensation, other than Board  Remuneration, are credited to the Retirement Distribution Account or In-Service  Distribution Account.&#160; Deferrals of  Board Remuneration are credited to the Deferred Board Remuneration Account.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A  Participant commences receipt of amounts credited to the Retirement  Distribution Account following Retirement (which is a termination of service  after attainment of age 55).&#160;  Distribution is made in a form elected by the Participant.&#160; If the Participant does not make an  election, the default form of payment is a lump sum.&#160; Payments are made or commence at the earliest Distribution Date  that is not earlier than the thirteenth month following Retirement.&#160; If the Participant terminates prior to Retirement,  any election regarding form of payment is void, and payment is made in a lump  sum at the earliest Distribution Date that is not earlier than the thirteenth  month following such termination.&#160;  Within 30 days following such termination, the Participant may make a  Re-Deferral
Election.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A  Participant commences receipt of amounts credited to an In-Service Distribution  Account in but not later than January 31 of the year elected by the  Participant.&#160; Distributions are made in  a lump sum or in annual installments that would be payable over a period of up  to five years.&#160; If the Participant  terminates employment prior to the elected distribution commencement date, the  election regarding time and form of payment is void and payment is made in a  lump sum at the earliest Distribution Date that is not earlier than the  thirteenth month following such termination.&#160;  Within 30 days following such termination, the Participant may make a  Re-Deferral Election.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A  Participant commences receipt of amounts credited to the Deferred Board  Remuneration Account following termination of service as a Trustee in a form  elected in advance.&#160; If the Participant  does not make an election, the default form of payment is a lump sum.&#160; Payments are made or commence at the  earliest Distribution Date that is not earlier than the thirteenth month  following such termination of service.&#160;  Within 30 days following such termination, the Participant may make a  Re-Deferral Election.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If  a Participant becomes Disabled, such Participant&#146;s Distribution Option Accounts  shall be distributed in a lump sum at the earliest Distribution Date that is  not earlier than the thirteenth month following such Disability; provided that,  within 30 days of the Disability, the Participant may make a Re-Deferral  Election.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If  a Participant dies prior to the commencement of benefits, payment of all  Distribution Option Accounts shall be made in a lump sum at the earliest  Distribution Date that is not earlier than the fourteenth month following the  Participant&#146;s death.&#160; No later than  sixty days following such Participant&#146;s death, the Beneficiary may elect to  change the form and commencement date of payment of the Participant&#146;s  Distribution Option Accounts by making a Re-Deferral Election.&#160; If a Participant</font></div>

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<div><font size="2" face="Times New Roman">was receiving installment  payments at the time of death, such payments shall continue to the  Participant&#146;s Beneficiary.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Certain  distributions are permitted in the event of an Unforeseeable Emergency.&#160; If there is a Change of Control, the  Registrant reserves the right, subject to any limitations imposed by section  409A of the Code and regulations thereunder, to accelerate distributions under  the Plan.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether  or not the Registrant is a Participant&#146;s employer, all Compensation deferred  under the Plan will continue for all purposes to be a part of the general funds  of the Registrant and the Participant&#146;s account will at all times represent the  general obligation of the Registrant.&#160;  Each Participant will be a general creditor of the Registrant with  respect to all of the Registrant&#146;s deferred compensation obligations to the  Participant under the Plan, and will not have a secured or preferred position  with respect to his or her accounts.&#160;  Nothing contained in the Plan shall be deemed to create an escrow,  trust, custodial account or fiduciary relationship of any kind or to eliminate  any priority or preferred position of a Participant in a bankruptcy matter with  respect to claims for wages.&#160;
Under the  terms of the Plan, the right of a Participant in or to an account, benefit or  payment under the Plan shall not be subject in any manner to attachment or  other legal process for the debts of such Participant; and no such account,  benefit or payment shall be subject to anticipation, alienation, sale,  transfer, assignment or encumbrance.&#160;  The Registrant, by action of the Board or the Committee, without the  consent of Participants, may amend, suspend, discontinue or modify the Plan at  any time, except that no such action shall reduce or in any manner adversely  affect the rights of any Participant with respect to benefits that are payable  or may become payable under the Plan based upon the balance of the  Participant&#146;s accounts as of the effective date of such action.&#160; The Registrant, by action of the Board or  Committee, reserves the right at any time, or from time to time, to terminate  the Plan.&#160; The Plan is intended to  comply with the requirements of the AJCA
and the regulations to be issued thereunder.&#160; Notwithstanding any provision of the Plan to  the contrary, the Committee reserves the right to amend the Plan, either  retroactively or prospectively, in whatever respect is required to achieve  compliance with AJCA.&#160; The Registrant  will settle a Participant&#146;s account and discharge all obligations under the  Plan in cash.</font></div>

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<div><font size="2" face="Times New Roman"><b>Item  5.&#160; Interests of Named Experts and  Counsel.</b></font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not  applicable.</font></div>

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<div><font size="2" face="Times New Roman"><b>Item  6.&#160; Indemnification of Directors and  Officers.</b></font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  Maryland REIT Law permits a Maryland real estate investment trust to include in  its Declaration of Trust a provision limiting the liability of its Trustees and  officers to the trust and its shareholders for money damages except for  liability resulting from (a) actual receipt of an improper benefit or profit in  money, property or services or (b) active and deliberate dishonesty established  by a final judgment as being material to the cause of action.&#160; The Declaration of Trust of Brandywine  Realty Trust (the &#147;Company&#148;) contains such a provision which eliminates such  liability to the maximum extent permitted by the Maryland REIT Law.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  Company&#146;s Bylaws require it to indemnify, without a preliminary determination  of the ultimate entitlement to indemnification, (a) any present or former Trustee,  officer or shareholder who has been successful, on the merits or otherwise, in  the defense of a proceeding to which he was made a party by reason of such  status, against reasonable expenses incurred by him in connection with the</font></div>

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<div><font size="2" face="Times New Roman">proceeding; (b) any present or  former Trustee or officer against any claim or liability to which he may become  subject by reason of such status unless it is established that (i) his act or  omission was committed in bad faith or was the result of active and deliberate  dishonesty, (ii) he actually received an improper personal benefit in money,  property or services or (iii) in the case of a criminal proceeding, he had  reasonable cause to believe that his act or omission was unlawful; and (c) each  shareholder or former shareholder against any claim or liability to which he  may be subject by reason of such status as a shareholder or former  shareholder.&#160; However, under the  Maryland General Corporation Law (&#147;MGCL&#148;), a Maryland corporation may not  indemnify for an adverse judgment in a suit by or in the right of the  corporation or for a judgment of liability on the basis that personal benefit  was improperly received, unless in either case
a court orders indemnification  and then only for expenses.&#160; In  addition, the Company&#146;s Bylaws require it to pay or reimburse, in advance of  final disposition of a proceeding, reasonable expenses incurred by a present or  former Trustee, officer or shareholder made a party to a proceeding by reason  of his status as a Trustee, officer or shareholder provided that, in the case  of a Trustee or officer, the Company shall have received (i) a written  affirmation by the Trustee or officer of his good faith belief that he has met  the applicable standard of conduct necessary for indemnification by the Company  as authorized by the Bylaws and (ii) a written undertaking by him or on his  behalf to repay the amount paid or reimbursed by the Company if it shall  ultimately be determined that the applicable standard of conduct was not met.&#160; The Company&#146;s Bylaws also (i) permit the  Company, with the approval of its Trustees, to provide indemnification and  payment or reimbursement of
expenses to a present or former Trustee, officer or  shareholder who served a predecessor of the Company in such capacity, and to  any employee or agent of the Company or a predecessor of the Company,  (ii)&nbsp;provide that any indemnification or payment or reimbursement of the  expenses permitted by Bylaws shall be furnished in accordance with the  procedures provided for indemnification and payment or reimbursement of  expenses under Section 2-418 of the MGCL for directors of Maryland corporations  and (iii) permit the Company to provide such other and further indemnification  or payment or reimbursement of expenses as may be permitted by the MGCL for directors  of Maryland corporations.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  limited partnership agreement of Brandywine Operating Partnership, L.P. (the  &#147;Operating Partnership&#148;) also provides for indemnification by the Operating  Partnership of the Company and its Trustees and officers for any costs,  expenses or liabilities incurred by them by reason of any act performed by them  for or on behalf of the Operating Partnership or the Company; provided that  such person&#146;s conduct was taken in good faith and in the belief that such  conduct was in the best interests of the Operating Partnership and that such  person was not guilty of fraud, willful misconduct or gross negligence.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Insofar  as indemnification for liabilities arising under the Securities Act of 1933 may  be permitted to Trustees and officers of the Trust pursuant to the foregoing  provisions or otherwise, the Company has been advised that, although the  validity and scope of the governing statute has not been tested in court, in  the opinion of the Commission, such indemnification is against public policy as  expressed in Securities Act and is, therefore, unenforceable.&#160; In addition, indemnification may be limited  by state securities laws.</font></div>

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<div><font size="2" face="Times New Roman"><b>Item  7.&#160; Exemption From Registration Claimed.</b></font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;No  restricted securities are being reoffered or resold pursuant to this  registration statement.</font></div>

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<div><font size="2" face="Times New Roman"><b>Item  8.&#160; Exhibits.</b></font></div>

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  <div><font size="2" face="Times New Roman">4.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Brandywine    Realty Trust Executive Deferred Compensation Plan (Incorporated herein    by reference to Exhibit 10.2 to the Registrant&#146;s Current Report on Form 8-K,    filed with the Commission on December 22, 2004).</font></div>
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  <div><font size="2" face="Times New Roman">Power of    Attorney (contained in the signature pages hereto).</font></div>
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<div><font size="2" face="Times New Roman"><b>Item  9.&#160; Undertakings.</b></font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  undersigned Registrant hereby undertakes:</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To  file, during any period in which offers or sales are being made, a  post-effective amendment to this Registration Statement:</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to  include any prospectus required by Section 10(a)(3) of the Securities Act;</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;&nbsp;&nbsp;&nbsp;to  reflect in the prospectus any facts or events arising after the effective date  of the Registration Statement (or the most recent post-effective amendment  thereof) which, individually or in the aggregate, represent a fundamental  change in the information set forth in the Registration Statement.&#160; Notwithstanding the foregoing, any increase,  decrease in volume of securities offered (if the total dollar value of  securities offered would not exceed that which was registered) and any  deviation from the low or high and of the estimated maximum offering range may  be reflected in the form of a prospectus filed with the Commission pursuant to  Rule 424(h) if, in the aggregate, the changes in volume and price represent no  more than a 20
percent change in the maximum aggregate offering price set forth  in the &#147;Calculation of Registration Fee&#148; table in the effective Registration  Statement; and</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;&nbsp;&nbsp;to  include any material information with respect to the plan of distribution not  previously disclosed in the Registration Statement or any material change to  such information in the Registration Statement;</font></div>

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<div><font size="2" face="Times New Roman">provided, however, that clauses  (1)(i) and (1)(ii) do not apply if the information required to be included in a  post-effective amendment by those clauses is contained in periodic reports  filed with or furnished to the Commission by the Registrant pursuant to Section  13 or Section 15(d) of the Exchange Act that are incorporated by reference in  the Registration Statement.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;That, for the purpose of determining any  liability under the Securities Act, each such post-effective amendment shall be  deemed to be a new registration statement relating to the securities offered  therein, and the offering of such securities at that time shall be deemed to be  the initial bona fide offering thereof.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To  remove from registration by means of a post-effective amendment any of the  securities being registered which remain unsold at the termination of the  offering.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The  undersigned Registrant hereby undertakes that, for the purposes of determining  any liability under the Securities Act, each filing of the Registrant&#146;s annual  report pursuant to Section 13(a) or 15(d) of the Exchange Act that is  incorporated by reference in the Registration Statement shall be deemed to be a  new registration statement relating to the securities offered therein, and the  offering of such securities at that time shall be deemed to be the initial bona  fide offering thereof.</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Insofar  as indemnification for liabilities arising under the Securities Act may be  permitted to trustees, officers and controlling persons of the Registrant  pursuant to the foregoing provisions or otherwise, the Registrant has been  advised that in the opinion of the Commission such indemnification is against  public policy as expressed in the Securities Act and is, therefore,  unenforceable.&#160; In the event that a  claim for indemnification against such liabilities (other than the payment by  the Registrant of expenses incurred or paid by a trustee, officer or  controlling person of the Registrant in the successful defense of any action,  suit or proceeding) is asserted by such trustee, officer or controlling person  in connection with the securities being registered, the Registrant will, unless  in the opinion of its
counsel the matter has been settled by controlling  precedent, submit to a court of appropriate jurisdiction the question whether  such indemnification by it is against public policy as expressed in the  Securities Act and will be governed by the final adjudication of such issue.</font></div>

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<div  align="center"><font size="2" face="Times New Roman">SIGNATURES</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
    to the requirements of the Securities Act of 1933, the Registrant certifies
    that it has reasonable grounds to believe that it meets all of the requirements
    for filing on Form S-8 and has duly caused this Registration Statement to
    be signed on its behalf by the undersigned, thereunto duly authorized, in
    the City of Philadelphia, Commonwealth of Pennsylvania, on March&nbsp;18,
    2005.</font></div>

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  <div><font size="2" face="Times New Roman">B<small>RANDYWINE</small> R<small>EALTY</small>    T<small>RUST</small></font></div>
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  <div><font size="2" face="Times New Roman">By:</font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;/s/ Gerard H. Sweeney</font></div>
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  <div><font size="2" face="Times New Roman">Gerard H.    Sweeney</font></div>
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<div  align="center"><font size="2" face="Times New Roman">POWER OF ATTORNEY</font></div>

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<div><font size="2" face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW  ALL MEN BY THESE PRESENTS, that each person whose signature appears below  hereby constitutes and appoints each of Gerard H. Sweeney and Christopher P.  Marr his true and lawful attorney-in-fact and agent, with full power of  substitution and resubstitution, for him and in his name, place and stead, in  any and all capacities, to sign any and all amendments (including  post-effective amendments) to this registration statement, and to file the  same, with exhibits thereto, and other documents in connection therewith, with  the Securities and Exchange Commission, granting unto said attorney-in-fact and  agent full power and authority to do and perform each and every act and thing  requisite and necessary to be done, as fully to all intents and purposes as he  might or could do in person, hereby ratifying and confirming all
that said  attorney-in-fact and agent or either of them, or their or his substitute or  substitutes, may lawfully do or cause to be done by virtue hereof.</font></div>

<div><font size="2" face="Times New Roman">&nbsp;</font></div>

<div><font size="2" face="Times New Roman">Pursuant to the requirements of  the
    Securities Act of 1933, this registration statement has been signed below
    by the following persons on March&nbsp;18, 2005, in the capacities indicated.</font></div>

<div><font size="2" face="Times New Roman">&nbsp;</font></div>

<table border="0" cellspacing="0" cellpadding="0" width="100%">
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  <div  align="center"><font size="1" face="Times New Roman"><b>Signature</b></font></div>
  </td>
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  <div  align="center">&nbsp;</div>
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  <td width="48%" valign="bottom">
  <div  align="center"><font size="1" face="Times New Roman"><b>Title</b></font></div>
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  <div  align="center">&nbsp;</div>
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  <hr noshade size="1">


  </td>
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  <td  valign="bottom">
  <div><Font size="2" face="Times New Roman">&nbsp;/s/ Walter D&#146;Alessio</font></div>
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  <td width="2%" valign="bottom">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="bottom">
  <div><Font size="2" face="Times New Roman">Chairman of the Board of Trustees</font></div>
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  </td>
  <td width="2%" valign="bottom">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="bottom">
  <div><font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
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  <td  valign="bottom">
  <div  align="center"><font size="2" face="Times New Roman">Walter D&#146;Alessio</font></div>
  </td>
  <td width="2%" valign="bottom">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="bottom">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="bottom">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
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  <td  valign="bottom"><Font size="2" face="Times New Roman">&nbsp;/s/ Gerard H. Sweeney</font>
  <hr noshade size="1">


  </td>
  <td width="2%" valign="bottom">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="bottom">
  <div><font size="2" face="Times New Roman">President,    Chief Executive Officer and Trustee<br>    (Principal Executive Officer)</font></div>
  </td>
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  <td  valign="top">
  <div  align="center"><font size="2" face="Times New Roman">Gerard H. Sweeney</font></div>
  </td>
  <td width="2%" valign="top">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="top">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
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  <div  align="center">&nbsp;</div>
  </td>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="top">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
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  <td  valign="bottom"><Font size="2" face="Times New Roman">&nbsp;/s/ Christopher P. Marr</font>
  <hr noshade size="1">


  </td>
  <td width="2%" valign="top">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="top">
  <div><font size="2" face="Times New Roman">Senior Vice    President and Chief Financial Officer<br>    (Principal Financial Officer)</font></div>
  </td>
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  <td  valign="top">
  <div  align="center"><font size="2" face="Times New Roman">Christopher P. Marr</font></div>
  </td>
  <td width="2%" valign="top">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="top">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
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  <td  valign="top">
  <div  align="center">&nbsp;</div>
  </td>
  <td width="2%" valign="top">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="top">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
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  <td  valign="bottom"><Font size="2" face="Times New Roman">&nbsp;/s/ Timothy M. Martin</font>
  <hr noshade size="1">


  </td>
  <td width="2%" valign="top">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="top">
  <div><font size="2" face="Times New Roman">Vice    President and Chief Accounting Officer<br>    (Principal Accounting Officer)</font></div>
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  <td  valign="top">
  <div  align="center"><font size="2" face="Times New Roman">Timothy M. Martin</font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
  </td>
  <td width="48%" valign="top">
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  </td>
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</table>

<div><font size="2" face="Times New Roman">&nbsp;</font></div>

<div  align="center"><font size="2" face="Times New Roman">-9-</font></div>

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<div style="page-break-before:always"></div>
<PAGE>

<div><Font size="2" face="Times New Roman">&nbsp;</font></div>

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  <div  align="center"><font size="1" face="Times New Roman"><b>Signature</b></font></div>
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  <div  align="center">&nbsp;</div>
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  <div  align="center"><font size="1" face="Times New Roman"><b>Title</b></font></div>
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  </td>
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  <td align="left"  valign="top">
  <div  align="left">&nbsp;<Font size="2" face="Times New Roman">&nbsp;/s/ <font size="2" face="Times New Roman">D. Pike Aloian</font>
      </font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <div><font size="2" face="Times New Roman">Trustee</font></div>
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  <div  align="center"><font size="2" face="Times New Roman">D. Pike Aloian</font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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   <td valign="top">&nbsp;</td>
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  <td  valign="top">
  <div  align="left">&nbsp;<Font size="2" face="Times New Roman">&nbsp;/s/
 Donald E. Axinn     </font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <div><font size="2" face="Times New Roman">Trustee</font></div>
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  <div  align="center"><font size="2" face="Times New Roman">Donald E. Axinn</font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <td  valign="top">
  <div  align="left">&nbsp;<Font size="2" face="Times New Roman">&nbsp;/s/
Wyche Fowler      </font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <div><font size="2" face="Times New Roman">Trustee</font></div>
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  <td  valign="top">
  <div  align="center"><font size="2" face="Times New Roman">Wyche Fowler</font></div>
  </td>
  <td width="2%" valign="top">
  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <td width="48%" valign="top">
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  <td  valign="top">
  <div  align="left">&nbsp;<Font size="2" face="Times New Roman">&nbsp;/s/
 Michael J. Joyce     </font></div>
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  <td width="2%" valign="top">
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  <div><font size="2" face="Times New Roman">Trustee</font></div>
  </td>
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  <td  valign="top">
  <div  align="center"><font size="2" face="Times New Roman">Michael J. Joyce</font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <div  align="left">&nbsp;<Font size="2" face="Times New Roman">&nbsp;/s/
Anthony A. Nichols, Sr.</font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <div><font size="2" face="Times New Roman">Trustee</font></div>
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  <div  align="center"><font size="2" face="Times New Roman">Anthony A. Nichols, Sr.</font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <div  align="left">&nbsp;<Font size="2" face="Times New Roman">&nbsp;/s/
Charles P. Pizzi      </font></div>
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  <div><font size="2" face="Times New Roman">Trustee</font></div>
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  <td  valign="top">
  <div  align="center"><font size="2" face="Times New Roman">Charles P. Pizzi</font></div>
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<div  align="center"><font size="2" face="Times New Roman">-10-</font></div>

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<div  align="center"><font size="2" face="Times New Roman">EXHIBIT INDEX</font></div>

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  <div><font size="1" face="Times New Roman"><b>Exhibit<br>    Number</b></font></div>
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  <div><Font size="2" face="Times New Roman">&nbsp;</font></div>
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  <div><font size="1" face="Times New Roman"><b>Exhibit<br>    Description</b></font></div>
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  <div><font size="2" face="Times New Roman">4.1</font></div>
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  <div><font size="2" face="Times New Roman">Brandywine    Realty Trust Executive Deferred Compensation Plan (Incorporated herein    by reference to Exhibit 10.2 to the Registrant&#146;s Current Report on Form 8-K,    filed with the Commission on December 22, 2004).</font></div>
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  <div><font size="2" face="Times New Roman">5.1</font></div>
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  <div><font size="2" face="Times New Roman">Opinion of    Pepper Hamilton LLP.</font></div>
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  <div><font size="2" face="Times New Roman">Opinion of    Pepper Hamilton LLP.</font></div>
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  <div><font size="2" face="Times New Roman">23.1</font></div>
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  <div><font size="2" face="Times New Roman">Consent of    PricewaterhouseCoopers LLP.</font></div>
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  <div><font size="2" face="Times New Roman">23.2</font></div>
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  <div><font size="2" face="Times New Roman">Consent of    Ernst &amp; Young LLP.</font></div>
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[{"type": "S-8", "sequence": "1", "filename": "s-8.htm", "description": "S-8", "secsgml_size_bytes": 69860}]
{"company-data": {"conformed-name": "BRANDYWINE REALTY TRUST", "cik": "0000790816", "assigned-sic": "6798", "irs-number": "232413352", "state-of-incorporation": "MD", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-123446", "film-number": "05692369"}, "business-address": {"street1": "14 CAMPUS BLVD", "street2": "STE 100", "city": "NEWTOWN SQUARE", "state": "PA", "zip": "19073", "phone": "6103255600"}, "mail-address": {"street1": "TWO GREENTREE CENTRE", "street2": "SUITE 100", "city": "MARLTON", "state": "NJ", "zip": "08053"}, "former-company": {"former-conformed-name": "LINPRO SPECIFIED PROPERTIES", "date-changed": "19920703"}}
Prepared and filed by St Ives Burrups
As Filed with the Securities and Exchange Commission on March 18, 2005
Registration No. 333-_______
SECURITIES AND EXCHANGE COMMISSION
Washington, DC 20549
FORM S-8
REGISTRATION STATEMENT UNDER
THE  SECURITIES ACT OF 1933
BRANDYWINE REALTY TRUST
(Exact name  of registrant as specified in charter)
Maryland
23-2413352
(State or    other jurisdiction of incorporation or organization)
(I.R.S.    Employer Identification No.)
401 Plymouth Road
Plymouth Meeting,  Pennsylvania 19462
(610) 325-5600
(Address of  principal executive offices)
BRANDYWINE  REALTY TRUST EXECUTIVE DEFERRED COMPENSATION PLAN
(Full title  of the plan)
Gerard H. Sweeney
President and Chief Executive Officer
Brandywine Realty Trust
401 Plymouth Road
Plymouth Meeting, Pennsylvania 19462
(Name and  address of agent for service)
(610) 325-5600
(Telephone  number, including area code, of agent for service)
CALCULATION OF  REGISTRATION FEE
Title of    securities to be registered
Amount to    be
registered
Proposed
maximum offering
price per unit(1)
Proposed
maximum
aggregate
offering price(2)
Amount of    registration fee
Deferred Compensation    Obligations(1)
$
7,000,000
100
%
$
7,000,000
$
823.90
(1)
The deferred compensation    obligations to which this Registration Statement relates (the "Deferred    Compensation Obligations") arise under the Brandywine Realty Trust Executive    Deferred Compensation Plan (the "Plan") and are unsecured obligations of    Brandywine Realty Trust to pay deferred compensation in the future pursuant to    compensation deferral elections made by participants in the Plan in    accordance with the terms of the Plan.
(2)
Estimated pursuant to rule    457(h) under the Securities Act of 1933, as amended, solely for the purpose    of calculating the registration fee.
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
The  documents containing information specified in Part I will be sent or given to  employees as specified by Rule 428(b)(1).   In accordance with the instructions to Part I of Form S-8, such  documents will not be filed with the Securities and Exchange Commission (the  "Commission") either as part of this Registration Statement or as prospectuses  or prospectus supplements pursuant to Rule 424.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item  3.  Incorporation of Documents by  Reference.
The  Securities and Exchange Commission (the "SEC") allows us to "incorporate by  reference" the information we file with them, which means that we can disclose  important information to you by referring you to those documents.
We  incorporate by reference the documents listed below:
(i)
Our Annual    Report on Form 10-K for the fiscal year ended December 31, 2004;
(ii)
Our Current    Reports on Form 8-K filed February 15, 2005 and February 28, 2005.
All  documents filed by us pursuant to Sections 13(a), 13(c), 14 or 15(d) of the  Securities Exchange Act of 1934 (the "Exchange Act") after the date hereof and  prior to the filing of a post-effective amendment which indicates that all  securities offered pursuant to this Registration Statement have been sold or  which deregisters all securities then remaining unsold, shall be deemed to be  incorporated by reference herein and to be a part hereof from the date of  filing of such documents.
You  may request a copy of these filings (including exhibits to such filings that we  have specifically incorporated by reference in such filings), at no cost.  Telephone or written requests for copies  should be directed to:
Brad A. Molotsky
Secretary
Brandywine Realty Trust
401 Plymouth Road
Plymouth Meeting, Pennsylvania 19462
(610) 325-5600
Any  statement contained in a document incorporated or deemed to be incorporated by  reference herein shall be deemed to be modified or superseded for purposes of  this Registration Statement to the extent that a statement contained herein or  in any other subsequently filed document which also is or is deemed to be  incorporated by reference herein modifies or supersedes such statement.  Any such statement so modified or superseded  shall not be deemed, except as so modified or superseded, to constitute part of  this Registration Statement.
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Item  4.  Description of Securities.
The  following description of the deferred compensation obligations of the  Registrant under the Plan is qualified by reference to the Plan, which is  included as an exhibit to this registration statement.  Capitalized terms used in this Item 4 and  not otherwise defined in this registration statement shall have the respective  meanings attributed to such terms in the Plan.
The  Plan continues the deferral opportunity offered under a deferred compensation  plan the Registrant adopted in 2000.  In  connection with new requirements imposed on deferred compensation plans by the  American Jobs Creation Act of 2004 and the regulations to be issued thereunder  ("AJCA"), the Registrant froze the prior plan to new deferrals and adopted the  Plan, which is intended to comply with the AJCA.
The  deferred compensation obligations incurred by the Registrant under the Plan  will be unsecured general obligations of the Registrant to pay the Compensation  deferred in accordance with the terms of the Plan, and will rank equally with  other unsecured and unsubordinated indebtedness of the Registrant, from time to  time outstanding, payable from the general assets of the Registrant.  The Registrant has several  subsidiaries.  The right of the  Registrant, and hence the right of creditors of the Registrant (including  Participants in the Plan), to participate in a distribution of the assets of  any such subsidiary upon its liquidation or reorganization or otherwise, is  subject to the prior claims of creditors of the applicable subsidiary.
Under  the Plan, the Registrant will provide eligible employees and members of the  Board of Trustees of the Registrant with the opportunity to elect to defer a  portion of the Compensation to be received from the Company.  Participants are permitted to defer up to  85% of their Compensation that is classified as base salary and up to 100% of  their Compensation that is classified as bonus (after required payroll  withholdings and deductions).   Participants who are Trustees may defer up to 100% of their Board  Remuneration.  Participants are fully  and immediately vested in their own deferrals.
Participants'  deferrals (other than deferrals of Board Remuneration) are matched at the same  rate as under the Registrant's tax-qualified 401(k) plan.  In addition, certain "make-up" Matching  Contributions are credited in cases where Participants' deferrals and associated  matching contributions are limited under such 401(k) plan because of  limitations imposed by the Code or because of participation in the Plan.  The Plan permits the crediting of Profit  Sharing Contributions and Supplemental Profit Sharing Contributions.  In addition, for Participants who defer 25%  of their bonus and deem such deferral invested in the Employer Stock Fund, as  to bonus deferrals in excess of 25% that are deemed invested in the Employer  Stock Fund ("Excess Bonus"), Additional Company
Contributions in the amount of  15% of such Excess Bonus are credited.   If, as determined by the Committee in its discretion, a Participant has  satisfied the target share ownership requirements, all bonus deferrals deemed  invested in the Employer Stock Fund are entitled to Additional Company Contributions  in the amount of 15% of such bonus deferrals.   All employer contributions are credited to the Retirement Distribution  Account.
If  a Participant terminates Service, other than due to Retirement, Disability or  death, prior to being credited with five years of service, as determined  pursuant to the terms of the Registrant's 401(k) plan, all or a portion of the  Participant's Retirement Distribution Account attributable to
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Matching Contributions shall be  forfeited, based on a graded five-year vesting schedule, pursuant to which a  Participant is deemed vested an additional 20% after completion of each year of  service.
Earnings  and losses are credited or debited, as the case may be, to Participants' accounts.  The rate of return to be credited or debited  is based on the investment options designated by the Committee, including the  Employer Stock Fund.  Participants may  direct the manner in which their deferrals are deemed invested from among these  investment options, and may change their investment directions from time to  time in accordance with procedures established by the Committee.
Under  the terms of the Plan, deferrals of Compensation, other than Board  Remuneration, are credited to the Retirement Distribution Account or In-Service  Distribution Account.  Deferrals of  Board Remuneration are credited to the Deferred Board Remuneration Account.
A  Participant commences receipt of amounts credited to the Retirement  Distribution Account following Retirement (which is a termination of service  after attainment of age 55).   Distribution is made in a form elected by the Participant.  If the Participant does not make an  election, the default form of payment is a lump sum.  Payments are made or commence at the earliest Distribution Date  that is not earlier than the thirteenth month following Retirement.  If the Participant terminates prior to Retirement,  any election regarding form of payment is void, and payment is made in a lump  sum at the earliest Distribution Date that is not earlier than the thirteenth  month following such termination.   Within 30 days following such termination, the Participant may make a  Re-Deferral
Election.
A  Participant commences receipt of amounts credited to an In-Service Distribution  Account in but not later than January 31 of the year elected by the  Participant.  Distributions are made in  a lump sum or in annual installments that would be payable over a period of up  to five years.  If the Participant  terminates employment prior to the elected distribution commencement date, the  election regarding time and form of payment is void and payment is made in a  lump sum at the earliest Distribution Date that is not earlier than the  thirteenth month following such termination.   Within 30 days following such termination, the Participant may make a  Re-Deferral Election.
A  Participant commences receipt of amounts credited to the Deferred Board  Remuneration Account following termination of service as a Trustee in a form  elected in advance.  If the Participant  does not make an election, the default form of payment is a lump sum.  Payments are made or commence at the  earliest Distribution Date that is not earlier than the thirteenth month  following such termination of service.   Within 30 days following such termination, the Participant may make a  Re-Deferral Election.
If  a Participant becomes Disabled, such Participant's Distribution Option Accounts  shall be distributed in a lump sum at the earliest Distribution Date that is  not earlier than the thirteenth month following such Disability; provided that,  within 30 days of the Disability, the Participant may make a Re-Deferral  Election.
If  a Participant dies prior to the commencement of benefits, payment of all  Distribution Option Accounts shall be made in a lump sum at the earliest  Distribution Date that is not earlier than the fourteenth month following the  Participant's death.  No later than  sixty days following such Participant's death, the Beneficiary may elect to  change the form and commencement date of payment of the Participant's  Distribution Option Accounts by making a Re-Deferral Election.  If a Participant
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was receiving installment  payments at the time of death, such payments shall continue to the  Participant's Beneficiary.
Certain  distributions are permitted in the event of an Unforeseeable Emergency.  If there is a Change of Control, the  Registrant reserves the right, subject to any limitations imposed by section  409A of the Code and regulations thereunder, to accelerate distributions under  the Plan.
Whether  or not the Registrant is a Participant's employer, all Compensation deferred  under the Plan will continue for all purposes to be a part of the general funds  of the Registrant and the Participant's account will at all times represent the  general obligation of the Registrant.   Each Participant will be a general creditor of the Registrant with  respect to all of the Registrant's deferred compensation obligations to the  Participant under the Plan, and will not have a secured or preferred position  with respect to his or her accounts.   Nothing contained in the Plan shall be deemed to create an escrow,  trust, custodial account or fiduciary relationship of any kind or to eliminate  any priority or preferred position of a Participant in a bankruptcy matter with  respect to claims for wages. 
Under the  terms of the Plan, the right of a Participant in or to an account, benefit or  payment under the Plan shall not be subject in any manner to attachment or  other legal process for the debts of such Participant; and no such account,  benefit or payment shall be subject to anticipation, alienation, sale,  transfer, assignment or encumbrance.   The Registrant, by action of the Board or the Committee, without the  consent of Participants, may amend, suspend, discontinue or modify the Plan at  any time, except that no such action shall reduce or in any manner adversely  affect the rights of any Participant with respect to benefits that are payable  or may become payable under the Plan based upon the balance of the  Participant's accounts as of the effective date of such action.  The Registrant, by action of the Board or  Committee, reserves the right at any time, or from time to time, to terminate  the Plan.  The Plan is intended to  comply with the requirements of the AJCA
and the regulations to be issued thereunder.  Notwithstanding any provision of the Plan to  the contrary, the Committee reserves the right to amend the Plan, either  retroactively or prospectively, in whatever respect is required to achieve  compliance with AJCA.  The Registrant  will settle a Participant's account and discharge all obligations under the  Plan in cash.
Item  5.  Interests of Named Experts and  Counsel.
Not  applicable.
Item  6.  Indemnification of Directors and  Officers.
The  Maryland REIT Law permits a Maryland real estate investment trust to include in  its Declaration of Trust a provision limiting the liability of its Trustees and  officers to the trust and its shareholders for money damages except for  liability resulting from (a) actual receipt of an improper benefit or profit in  money, property or services or (b) active and deliberate dishonesty established  by a final judgment as being material to the cause of action.  The Declaration of Trust of Brandywine  Realty Trust (the "Company") contains such a provision which eliminates such  liability to the maximum extent permitted by the Maryland REIT Law.
The  Company's Bylaws require it to indemnify, without a preliminary determination  of the ultimate entitlement to indemnification, (a) any present or former Trustee,  officer or shareholder who has been successful, on the merits or otherwise, in  the defense of a proceeding to which he was made a party by reason of such  status, against reasonable expenses incurred by him in connection with the
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proceeding; (b) any present or  former Trustee or officer against any claim or liability to which he may become  subject by reason of such status unless it is established that (i) his act or  omission was committed in bad faith or was the result of active and deliberate  dishonesty, (ii) he actually received an improper personal benefit in money,  property or services or (iii) in the case of a criminal proceeding, he had  reasonable cause to believe that his act or omission was unlawful; and (c) each  shareholder or former shareholder against any claim or liability to which he  may be subject by reason of such status as a shareholder or former  shareholder.  However, under the  Maryland General Corporation Law ("MGCL"), a Maryland corporation may not  indemnify for an adverse judgment in a suit by or in the right of the  corporation or for a judgment of liability on the basis that personal benefit  was improperly received, unless in either case
a court orders indemnification  and then only for expenses.  In  addition, the Company's Bylaws require it to pay or reimburse, in advance of  final disposition of a proceeding, reasonable expenses incurred by a present or  former Trustee, officer or shareholder made a party to a proceeding by reason  of his status as a Trustee, officer or shareholder provided that, in the case  of a Trustee or officer, the Company shall have received (i) a written  affirmation by the Trustee or officer of his good faith belief that he has met  the applicable standard of conduct necessary for indemnification by the Company  as authorized by the Bylaws and (ii) a written undertaking by him or on his  behalf to repay the amount paid or reimbursed by the Company if it shall  ultimately be determined that the applicable standard of conduct was not met.  The Company's Bylaws also (i) permit the  Company, with the approval of its Trustees, to provide indemnification and  payment or reimbursement of
expenses to a present or former Trustee, officer or  shareholder who served a predecessor of the Company in such capacity, and to  any employee or agent of the Company or a predecessor of the Company,  (ii) provide that any indemnification or payment or reimbursement of the  expenses permitted by Bylaws shall be furnished in accordance with the  procedures provided for indemnification and payment or reimbursement of  expenses under Section 2-418 of the MGCL for directors of Maryland corporations  and (iii) permit the Company to provide such other and further indemnification  or payment or reimbursement of expenses as may be permitted by the MGCL for directors  of Maryland corporations.
The  limited partnership agreement of Brandywine Operating Partnership, L.P. (the  "Operating Partnership") also provides for indemnification by the Operating  Partnership of the Company and its Trustees and officers for any costs,  expenses or liabilities incurred by them by reason of any act performed by them  for or on behalf of the Operating Partnership or the Company; provided that  such person's conduct was taken in good faith and in the belief that such  conduct was in the best interests of the Operating Partnership and that such  person was not guilty of fraud, willful misconduct or gross negligence.
Insofar  as indemnification for liabilities arising under the Securities Act of 1933 may  be permitted to Trustees and officers of the Trust pursuant to the foregoing  provisions or otherwise, the Company has been advised that, although the  validity and scope of the governing statute has not been tested in court, in  the opinion of the Commission, such indemnification is against public policy as  expressed in Securities Act and is, therefore, unenforceable.  In addition, indemnification may be limited  by state securities laws.
Item  7.  Exemption From Registration Claimed.
No  restricted securities are being reoffered or resold pursuant to this  registration statement.
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Item  8.  Exhibits.
4.1     Brandywine    Realty Trust Executive Deferred Compensation Plan (Incorporated herein    by reference to Exhibit 10.2 to the Registrant's Current Report on Form 8-K,    filed with the Commission on December 22, 2004).
5.1
Opinion of    Pepper Hamilton LLP.
5.2
Opinion of    Pepper Hamilton LLP.
23.1
Consent of    PricewaterhouseCoopers LLP.
23.2
Consent of    Ernst & Young LLP.
23.3
Consent of    Pepper Hamilton LLP (contained in Exhibits 5.1 and 5.2).
24
Power of    Attorney (contained in the signature pages hereto).
Item  9.  Undertakings.
The  undersigned Registrant hereby undertakes:
(1)     To  file, during any period in which offers or sales are being made, a  post-effective amendment to this Registration Statement:
(i)     to  include any prospectus required by Section 10(a)(3) of the Securities Act;
(ii)    to  reflect in the prospectus any facts or events arising after the effective date  of the Registration Statement (or the most recent post-effective amendment  thereof) which, individually or in the aggregate, represent a fundamental  change in the information set forth in the Registration Statement.  Notwithstanding the foregoing, any increase,  decrease in volume of securities offered (if the total dollar value of  securities offered would not exceed that which was registered) and any  deviation from the low or high and of the estimated maximum offering range may  be reflected in the form of a prospectus filed with the Commission pursuant to  Rule 424(h) if, in the aggregate, the changes in volume and price represent no  more than a 20
percent change in the maximum aggregate offering price set forth  in the "Calculation of Registration Fee" table in the effective Registration  Statement; and
(iii)   to  include any material information with respect to the plan of distribution not  previously disclosed in the Registration Statement or any material change to  such information in the Registration Statement;
provided, however, that clauses  (1)(i) and (1)(ii) do not apply if the information required to be included in a  post-effective amendment by those clauses is contained in periodic reports  filed with or furnished to the Commission by the Registrant pursuant to Section  13 or Section 15(d) of the Exchange Act that are incorporated by reference in  the Registration Statement.
(2)     That, for the purpose of determining any  liability under the Securities Act, each such post-effective amendment shall be  deemed to be a new registration statement relating to the securities offered  therein, and the offering of such securities at that time shall be deemed to be  the initial bona fide offering thereof.
(3)     To  remove from registration by means of a post-effective amendment any of the  securities being registered which remain unsold at the termination of the  offering.
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The  undersigned Registrant hereby undertakes that, for the purposes of determining  any liability under the Securities Act, each filing of the Registrant's annual  report pursuant to Section 13(a) or 15(d) of the Exchange Act that is  incorporated by reference in the Registration Statement shall be deemed to be a  new registration statement relating to the securities offered therein, and the  offering of such securities at that time shall be deemed to be the initial bona  fide offering thereof.
Insofar  as indemnification for liabilities arising under the Securities Act may be  permitted to trustees, officers and controlling persons of the Registrant  pursuant to the foregoing provisions or otherwise, the Registrant has been  advised that in the opinion of the Commission such indemnification is against  public policy as expressed in the Securities Act and is, therefore,  unenforceable.  In the event that a  claim for indemnification against such liabilities (other than the payment by  the Registrant of expenses incurred or paid by a trustee, officer or  controlling person of the Registrant in the successful defense of any action,  suit or proceeding) is asserted by such trustee, officer or controlling person  in connection with the securities being registered, the Registrant will, unless  in the opinion of its
counsel the matter has been settled by controlling  precedent, submit to a court of appropriate jurisdiction the question whether  such indemnification by it is against public policy as expressed in the  Securities Act and will be governed by the final adjudication of such issue.
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SIGNATURES
Pursuant
    to the requirements of the Securities Act of 1933, the Registrant certifies
    that it has reasonable grounds to believe that it meets all of the requirements
    for filing on Form S-8 and has duly caused this Registration Statement to
    be signed on its behalf by the undersigned, thereunto duly authorized, in
    the City of Philadelphia, Commonwealth of Pennsylvania, on March 18,
    2005.
B
RANDYWINE
R
EALTY
T
RUST
By:
/s/ Gerard H. Sweeney
Gerard H.    Sweeney
President    and Chief Executive Officer
POWER OF ATTORNEY
KNOW  ALL MEN BY THESE PRESENTS, that each person whose signature appears below  hereby constitutes and appoints each of Gerard H. Sweeney and Christopher P.  Marr his true and lawful attorney-in-fact and agent, with full power of  substitution and resubstitution, for him and in his name, place and stead, in  any and all capacities, to sign any and all amendments (including  post-effective amendments) to this registration statement, and to file the  same, with exhibits thereto, and other documents in connection therewith, with  the Securities and Exchange Commission, granting unto said attorney-in-fact and  agent full power and authority to do and perform each and every act and thing  requisite and necessary to be done, as fully to all intents and purposes as he  might or could do in person, hereby ratifying and confirming all
that said  attorney-in-fact and agent or either of them, or their or his substitute or  substitutes, may lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of  the
    Securities Act of 1933, this registration statement has been signed below
    by the following persons on March 18, 2005, in the capacities indicated.
Signature
Title
/s/ Walter D'Alessio
Chairman of the Board of Trustees
Walter D'Alessio
/s/ Gerard H. Sweeney
President,    Chief Executive Officer and Trustee
(Principal Executive Officer)
Gerard H. Sweeney
/s/ Christopher P. Marr
Senior Vice    President and Chief Financial Officer
(Principal Financial Officer)
Christopher P. Marr
/s/ Timothy M. Martin
Vice    President and Chief Accounting Officer
(Principal Accounting Officer)
Timothy M. Martin
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Signature
Title
/s/
D. Pike Aloian
Trustee
D. Pike Aloian
/s/
 Donald E. Axinn
Trustee
Donald E. Axinn
/s/
Wyche Fowler
Trustee
Wyche Fowler
/s/
 Michael J. Joyce
Trustee
Michael J. Joyce
/s/
Anthony A. Nichols, Sr.
Trustee
Anthony A. Nichols, Sr.
/s/
Charles P. Pizzi
Trustee
Charles P. Pizzi
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EXHIBIT INDEX
Exhibit
Number
Exhibit
Description
4.1
Brandywine    Realty Trust Executive Deferred Compensation Plan (Incorporated herein    by reference to Exhibit 10.2 to the Registrant's Current Report on Form 8-K,    filed with the Commission on December 22, 2004).
5.1
Opinion of    Pepper Hamilton LLP.
5.2
Opinion of    Pepper Hamilton LLP.
23.1
Consent of    PricewaterhouseCoopers LLP.
23.2
Consent of    Ernst & Young LLP.