<html>
  <head>
    <title>
</title>
</head>
  <body bgcolor="#ffffff">
    <div><br>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>UNITED
        STATES</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"><strong>SECURITIES
        AND EXCHANGE COMMISSION</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Washington,
        D.C. 20549</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman"><strong>Form
        8-K</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 18pt; FONT-FAMILY: Times New Roman"><strong>Current
        Report</strong></font><font style="DISPLAY: inline; FONT-SIZE: 12pt; FONT-FAMILY: Times New Roman"><strong>&#160;</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Pursuant
        to Section 13 or 15(d) of the Securities Exchange Act of
        1934</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Date
        of
        Report</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>&#160;</strong></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Date
        of
        earliest event reported):</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>
        August 17, 2005</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 24pt; FONT-FAMILY: Times New Roman"><strong>RITA
        Medical Systems, Inc.</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Exact
        name of registrant as specified in its charter)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>000-30959</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Commission
        File Number)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div align="center">
        <table cellpadding="0" cellspacing="0" width="100%">

            <tr>
              <td align="left" valign="top" width="50%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>California</strong></font></div>
              </td>
              <td align="left" valign="top" width="50%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>94-3199149</strong></font></div>
              </td>
            </tr>
            <tr>
              <td align="left" valign="top" width="50%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(State
                  or other jurisdiction of</font></div>
              </td>
              <td align="left" valign="top" width="50%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(I.R.S.
                  Employer Identification No.)</font></div>
              </td>
            </tr>
            <tr>
              <td align="left" valign="top" width="50%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">incorporation)</font></div>
              </td>
              <td align="left" valign="top" width="50%">&#160;</td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>46421
        Landing Parkway</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Fremont,
        CA 94538</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Address
        of principal executive offices, with zip code)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>(510)
        771-0400</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Registrant's
        telephone number, including area code)</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 18pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Check
        the
        appropriate box below if the Form 8-K filing is intended to simultaneously
        satisfy the filing obligation of the registrant under any of the following
        provisions (</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><em>see</em></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">
        General
        Instruction A.2. below): </font></div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

            <tr valign="top" style="LINE-HEIGHT: 1.25">
              <td style="WIDTH: 18pt"><font size="2" face="Wingdings">&#160;</font></td>
              <td style="WIDTH: 18pt"><font style="DISPLAY: inline; FONT-FAMILY: Wingdings" size="2">o</font></td>
              <td>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Written
                  communications pursuant to Rule 425 under the Securities Act (17
                  CFR
                  230.425)</font></div>
              </td>
            </tr>

        </table>
      </div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

            <tr valign="top" style="LINE-HEIGHT: 1.25">
              <td style="WIDTH: 18pt"><font size="2" face="Wingdings">&#160;</font></td>
              <td style="WIDTH: 18pt"><font size="2" face="Wingdings">o</font></td>
              <td>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Soliciting
                  material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                  240.14a-12)</font></div>
              </td>
            </tr>

        </table>
      </div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

            <tr valign="top" style="LINE-HEIGHT: 1.25">
              <td style="WIDTH: 18pt"><font size="2" face="Wingdings">&#160;</font></td>
              <td style="WIDTH: 18pt"><font size="2" face="Wingdings">o</font></td>
              <td>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pre-commencement
                  communications pursuant to Rule 14d-2(b) under the Exchange Act
                  (17 CFR
                  240.14d-2(b))</font></div>
              </td>
            </tr>

        </table>
      </div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">

            <tr valign="top" style="LINE-HEIGHT: 1.25">
              <td style="WIDTH: 18pt"><font size="2" face="Wingdings">&#160;</font></td>
              <td style="WIDTH: 18pt"><font size="2" face="Wingdings">o</font></td>
              <td>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pre-commencement
                  communications pursuant to Rule 13e-4(c) under the Exchange Act
                  (17 CFR
                  240.13e-4(c))</font></div>
              </td>
            </tr>

        </table>
      </div><br>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">&#160;</div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always">
          <div style="WIDTH: 100%; TEXT-ALIGN: center">&#160;</div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">&#160;</div>
        </div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
        1.01</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Entry
        into a Material Definitive Agreement</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
        to the terms of an offer letter, dated July 25, 2005 (the &#8220;Agreement&#8221;), from
        RITA Medical Systems, Inc. (the "Company") to Mario Martinez, Mr. Martinez
        commenced employment with the Company on August 17, 2005. Pursuant to the
        terms
        of the Agreement, Mr. Martinez shall receive an annual salary of $190,000
        and he
        will be entitled to participate in the Company's management cash bonus program.
        In addition, the Company will issue to Mr. Martinez an incentive stock option
        to
        purchase 100,000 shares of the Company's common stock. These option shares
        will
        become exercisable at the rate of 1/8 of the total number of shares after
        the
        first six months of August 17, 2005 and then with respect to 1/48 of the
        total
        per month, such that the options will become fully vested at the end of four
        years. </font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
        Agreement also provides for the payment of severance in certain circumstances.
        Mr. Martinez' agreement provides that if his employment by the Company is
        terminated without cause, and provided that he resigns from his position
        with
        the Company, actively seeks full time employment and executes the Company's
        standard form of release agreement releasing any claims he may have against
        the
        Company, Mr. Martinez will receive monthly severance payments equal to 1/12th
        of
        his annual base salary and reimbursement for his continued medical coverage
        until the earlier of (i) 6 months after his termination date or (ii) such
        time
        as he accepts an offer of employment or consulting relationship which
        constitutes the equivalent of a full-time position. </font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
        description of the standard form of change of control agreements and
        indemnification agreements entered into between Mr. Martinez and the Company
        set
        forth in Item 5.02 of this Current Report on Form 8-K is incorporated by
        reference herein.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
        foregoing description of the Agreement is qualified in its entirety by reference
        to the Agreement, a copy of which is attached hereto as Exhibit&#160;10.92
        and
        incorporated herein by reference. </font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
        5.02 </strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Departures
        of Directors or Principal Officers; Election of Directors; </strong></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Appointment
        of Principal Officers.</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">On
        August
        17, 2005, the Board of Directors of the Company (the "Board") appointed Rich
        DeYoung, age 54, the Company's Senior Director of Finance, to serve as Vice
        President of Finance of the Company effective August 17 2005. Mr. DeYoung
        will
        act as the Principal Financial Officer and Principal Accounting Officer of
        the
        Company. Donald Stewart, who announced in May 2005 that he would be leaving
        the
        Company to pursue other business interests once a new Chief Financial Officer
        for the Company is hired, will continue to hold the position of Chief Financial
        Officer but will no longer act as the Company&#8217;s Principal Financial Officer and
        Principal Accounting Officer. Mr. DeYoung has served as the Company's Senior
        Director of Finance since August 2004. From September 2000 to August 2004,
        Mr.
        DeYoung served as the Company's Corporate Controller. Prior to joining the
        Company, from February 2000 to September 2000, he served as Corporate Controller
        of Tubetronics, Inc., an aircraft component manufacturing company. From
        September 1996 to December 1999, he served as Divisional Controller of the
        Novacore Division of Baxter Healthcare, a medical device company. Mr. DeYoung
        holds a B.A. in English from Carleton College and an M.B.A. in Finance from
        the
        University of Michigan Graduate School of Business.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">&#160;</div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always">
          <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">-2-</font></div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">&#160;</div>
        </div>
        <div>&#160;</div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">In
        connection with Mr. DeYoung's promotion to the office described above, on
        August&#160;17, 2005, the Company issued to Mr. DeYoung pursuant to the
        Company's 2005 Stock Incentive Plan an incentive stock option to purchase
        60,000
        shares of the Company's common stock, par value $0.001 per share, at a price
        of
        $3.34 per share, exercisable at the rate of 1/8 of the total number of shares
        after the first six months of August 17, 2005 and then with respect to 1/48
        of
        the total per month, such that the option will become fully vested at the
        end of
        four years. Furthermore, in connection with Mr. DeYoung&#8217;s promotion, he shall
        receive an annual salary of $175,000 and he will be entitled to participate
        in
        the Company's management cash bonus program.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">On
        August
        17, 2005, the Board appointed Mario Martinez, age 51, to serve as Vice President
        of Operations and General Manager of the Company effective August 17, 2005.
        Prior to joining the Company, from January 2000 to August 2005, he was President
        and Chief Executive Officer of Tecnix, LLC, a technology advisory company.
        From
        October 1997 to January 2000, he served as Vice President Engineering and
        Technology Development at 2C Optics, a medical device company. From December
        1995 to August 1997, he served as Vice President Engineering and Operations
        at
        Biofield Corp., a medical device company. From June 1992 to December 1995,
        Mr.
        Martinez served as Vice President Operations at EP Technologies, a division
        of
        Boston Scientific Corp. Prior to June 1992, Mr.&#160;Martinez held various
        positions at Cordis Corporation, a division of Johnson &amp; Johnson, from March
        1987 to June 1992. Mr. Martinez holds a B.S. degree from Florida International
        University.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">In
        connection with Mr. Martinez' appointment to the office described above,
        on
        August 17, 2005, the Company issued to Mr. Martinez pursuant to the Company's
        2005 Stock Incentive Plan an incentive stock option to purchase 100,000 shares
        of the Company's common stock, par value $0.001 per share, at a price of
        $3.34
        per share, exercisable at the rate of 1/8 of the total number of shares after
        the first six months of August 17, 2005 and then with respect to 1/48 of
        the
        total per month, such that the options will become fully vested at the end
        of
        four years.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 27pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
        Company has entered into its standard form of change of control agreements
        and
        indemnification agreements with each of Mr. DeYoung and Mr. Martinez. The
        Company&#8217;s change of control agreements provide the following benefits upon the
        sale or merger of the Company. In the event that the Company consummates
        a
        change of control transaction, 50% of any unvested options held by the Company
        officers shall become fully vested and immediately exercisable and repurchase
        rights retained by the Company with respect to 50% of the restricted stock
        held
        by the Company&#8217;s officers shall immediately lapse. In addition, on each one
        month anniversary following the effective date of a change of control
        transaction, 1/12th of the remaining unvested options held by the Company&#8217;s
        officers shall become fully vested and immediately exercisable and repurchase
        rights retained by the Company with respect to 1/12th of any remaining
        restricted stock held by the Company&#8217;s officers shall immediately lapse. If the
        officer is involuntarily terminated within 12 months after the change of
        control
        transaction, all unvested options held by the Company&#8217;s officers shall become
        fully vested and immediately exercisable and all repurchase rights retained
        by
        the Company with respect to the restricted stock held by the Company&#8217;s officers
        shall immediately lapse. If the officer voluntarily resigns or is terminated
        for
        cause after the change of control, then the officer is not entitled to any
        acceleration of the vesting of options or lapse of repurchase rights with
        respect to restricted stock.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">&#160;</div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always">
          <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">-3-</font></div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">&#160;</div>
        </div>
        <div>&#160;</div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
        Company&#8217;s indemnification agreements contain provisions which may require the
        Company, among other things, to indemnify the Company&#8217;s officers and directors
        against a number of liabilities that may arise by reason of their status
        or
        service as officers or directors (other than liabilities arising from willful
        misconduct of a culpable nature) and to advance their expenses incurred as
        a
        result of any proceeding against them as to which they could be indemnified.
        Insofar as indemnification for liabilities arising under the Securities Act
        of
        1933 may be permitted to directors, officers or persons controlling the Company
        pursuant to the foregoing provisions, the Company has been informed that
        in the
        opinion of the SEC such indemnification is against public policy as expressed
        in
        the Securities Act and is therefore unenforceable.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
        description of the employment agreement between Mr. Martinez and the Company
        set
        forth in Item 1.01 of this Current Report on Form 8-K is incorporated by
        reference herein.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
        8.01 Other Events. </strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">On
        August
        17, 2005, the Company announced that it had appointed Mario Martinez, age
        51, to
        serve as Vice President of Operations and General Manager of the Company.
        The
        full text of the press release issued in connection with this announcement
        is
        attached as Exhibit 99.1 to this Current Report on Form 8-K. </font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Item
        9.01</strong></font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>Financial
        Statements and Exhibits.</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">

            <tr valign="top" style="LINE-HEIGHT: 1.25">
              <td style="WIDTH: 36pt">
              </td>
              <td align="left" style="WIDTH: 36pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(c)</font></td>
              <td align="left">
                <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Exhibits:</font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">

            <tr valign="top" style="LINE-HEIGHT: 1.25">
              <td style="WIDTH: 72pt">
              </td>
              <td align="left" style="WIDTH: 36pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">10.92</font></td>
              <td align="left">
                <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Offer
                  Letter to Mario Martinez dated July 25,
                  2005</font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div>
        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">

            <tr valign="top" style="LINE-HEIGHT: 1.25">
              <td style="WIDTH: 72pt">
              </td>
              <td align="left" style="WIDTH: 36pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">99.1</font></td>
              <td align="left">
                <div align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Press
                  Release of RITA Medical Systems, Inc. dated August 17,
                  2005</font></div>
              </td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div><br>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">&#160;</div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always">
          <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">-4-</font></div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">&#160;</div>
        </div>
      </div><br>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>SIGNATURES</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
        to the requirements of the Securities Exchange Act of 1934, the Registrant
        has
        duly caused this report to be signed on its behalf by the undersigned hereunto
        duly authorized.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
        <table align="center" bgcolor="#ffffff" border="0" cellpadding="0" cellspacing="0" width="100%">

            <tr valign="top" bgcolor="#ffffff">
              <td width="50%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></td>
              <td width="1%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></td>
              <td width="49%"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></td>
              <td colspan="2"><font size="2">RITA MEDICAL SYSTEMS, INC.</font></td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;<br>&#160;</font></td>
              <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;<br>&#160;</font></td>
              <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;<br>&#160;</font></td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Date:
                August 22, 2005</font></td>
              <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">By:&#160;&#160;</font></td>
              <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">/s/
                <font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Joseph
                DeVivo</font></font></td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td colspan="2"><font style="FONT-FAMILY: Times New Roman" size="1">&#160;</font></td>
              <td align="left">
                <hr style="COLOR: #000000" align="left" noshade size="2" width="80%"><font size="2">Joseph
                DeVivo</font></td>
            </tr>
            <tr valign="top" bgcolor="#ffffff">
              <td colspan="2"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font></td>
              <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">President
                and Chief Executive Officer</font></td>
            </tr>

        </table><br></div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">&#160;</div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always">
          <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">-5-</font></div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">&#160;</div>
        </div>
      </div><br>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>RITA
        MEDICAL SYSTEMS, INC.</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>INDEX
        TO EXHIBITS</strong></font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div>
        <table cellpadding="0" cellspacing="0" width="100%">

            <tr>
              <td valign="top" width="15%" style="BORDER-BOTTOM: medium none">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Exhibit
                  Number</u></font></div>
              </td>
              <td valign="top" width="66%" style="BORDER-BOTTOM: medium none">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Description</u></font></div>
              </td>
              <td valign="top" width="4%" style="BORDER-BOTTOM: medium none">&#160;</td>
            </tr>
            <tr>
              <td align="left" valign="top" width="15%">&#160;</td>
              <td align="left" valign="top" width="66%">&#160;</td>
              <td align="left" valign="top" width="4%">&#160;</td>
            </tr>
            <tr>
              <td valign="top" width="15%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">10.92</font></div>
              </td>
              <td align="left" valign="top" width="66%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Offer
                  Letter to Mario Martinez dated July 25, 2005</font></div>
              </td>
              <td valign="top" width="4%">&#160;</td>
            </tr>
            <tr>
              <td valign="top" width="15%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">99.1</font></div>
              </td>
              <td align="left" valign="top" width="66%">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Press
                  Release of RITA Medical Systems, Inc. dated August 17,
                  2005</font></div>
              </td>
              <td valign="top" width="4%">&#160;</td>
            </tr>

        </table>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">&#160;</div>
        </div>
        <div id="PN">
          <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">-6-</font></div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="2">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">&#160;</div>
        </div>
      </div>
    </div>
  </body>
</html>
{"company-data": {"conformed-name": "RITA MEDICAL SYSTEMS INC", "cik": "0001056421", "assigned-sic": "3845", "irs-number": "943199149", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "000-30959", "film-number": "051041371"}, "business-address": {"street1": "967 N SHORELINE BLVD", "city": "MOUNTAIN VIEW", "state": "CA", "zip": "94013", "phone": "6503858500"}, "mail-address": {"street1": "967 NORTH SHORELINE BLVD", "city": "MOUNTAIN VIEW", "state": "CA", "zip": "94043"}}
UNITED
        STATES
SECURITIES
        AND EXCHANGE COMMISSION
Washington,
        D.C. 20549
Form
        8-K
Current
        Report
Pursuant
        to Section 13 or 15(d) of the Securities Exchange Act of
        1934
Date
        of
        Report
(Date
        of
        earliest event reported):
August 17, 2005
RITA
        Medical Systems, Inc.
(Exact
        name of registrant as specified in its charter)
000-30959
(Commission
        File Number)
California
94-3199149
(State
                  or other jurisdiction of
(I.R.S.
                  Employer Identification No.)
incorporation)
46421
        Landing Parkway
Fremont,
        CA 94538
(Address
        of principal executive offices, with zip code)
(510)
        771-0400
(Registrant's
        telephone number, including area code)
Check
        the
        appropriate box below if the Form 8-K filing is intended to simultaneously
        satisfy the filing obligation of the registrant under any of the following
        provisions (
see
General
        Instruction A.2. below):
o
Written
                  communications pursuant to Rule 425 under the Securities Act (17
                  CFR
                  230.425)
o
Soliciting
                  material pursuant to Rule 14a-12 under the Exchange Act (17 CFR
                  240.14a-12)
o
Pre-commencement
                  communications pursuant to Rule 14d-2(b) under the Exchange Act
                  (17 CFR
                  240.14d-2(b))
o
Pre-commencement
                  communications pursuant to Rule 13e-4(c) under the Exchange Act
                  (17 CFR
                  240.13e-4(c))
Item
        1.01
Entry
        into a Material Definitive Agreement
Pursuant
        to the terms of an offer letter, dated July 25, 2005 (the "Agreement"), from
        RITA Medical Systems, Inc. (the "Company") to Mario Martinez, Mr. Martinez
        commenced employment with the Company on August 17, 2005. Pursuant to the
        terms
        of the Agreement, Mr. Martinez shall receive an annual salary of $190,000
        and he
        will be entitled to participate in the Company's management cash bonus program.
        In addition, the Company will issue to Mr. Martinez an incentive stock option
        to
        purchase 100,000 shares of the Company's common stock. These option shares
        will
        become exercisable at the rate of 1/8 of the total number of shares after
        the
        first six months of August 17, 2005 and then with respect to 1/48 of the
        total
        per month, such that the options will become fully vested at the end of four
        years.
The
        Agreement also provides for the payment of severance in certain circumstances.
        Mr. Martinez' agreement provides that if his employment by the Company is
        terminated without cause, and provided that he resigns from his position
        with
        the Company, actively seeks full time employment and executes the Company's
        standard form of release agreement releasing any claims he may have against
        the
        Company, Mr. Martinez will receive monthly severance payments equal to 1/12th
        of
        his annual base salary and reimbursement for his continued medical coverage
        until the earlier of (i) 6 months after his termination date or (ii) such
        time
        as he accepts an offer of employment or consulting relationship which
        constitutes the equivalent of a full-time position.
The
        description of the standard form of change of control agreements and
        indemnification agreements entered into between Mr. Martinez and the Company
        set
        forth in Item 5.02 of this Current Report on Form 8-K is incorporated by
        reference herein.
The
        foregoing description of the Agreement is qualified in its entirety by reference
        to the Agreement, a copy of which is attached hereto as Exhibit 10.92
        and
        incorporated herein by reference.
Item
        5.02
Departures
        of Directors or Principal Officers; Election of Directors;
Appointment
        of Principal Officers.
On
        August
        17, 2005, the Board of Directors of the Company (the "Board") appointed Rich
        DeYoung, age 54, the Company's Senior Director of Finance, to serve as Vice
        President of Finance of the Company effective August 17 2005. Mr. DeYoung
        will
        act as the Principal Financial Officer and Principal Accounting Officer of
        the
        Company. Donald Stewart, who announced in May 2005 that he would be leaving
        the
        Company to pursue other business interests once a new Chief Financial Officer
        for the Company is hired, will continue to hold the position of Chief Financial
        Officer but will no longer act as the Company's Principal Financial Officer and
        Principal Accounting Officer. Mr. DeYoung has served as the Company's Senior
        Director of Finance since August 2004. From September 2000 to August 2004,
        Mr.
        DeYoung served as the Company's Corporate Controller. Prior to joining the
        Company, from February 2000 to September 2000, he served as Corporate Controller
        of Tubetronics, Inc., an aircraft component manufacturing company. From
        September 1996 to December 1999, he served as Divisional Controller of the
        Novacore Division of Baxter Healthcare, a medical device company. Mr. DeYoung
        holds a B.A. in English from Carleton College and an M.B.A. in Finance from
        the
        University of Michigan Graduate School of Business.
-2-
In
        connection with Mr. DeYoung's promotion to the office described above, on
        August 17, 2005, the Company issued to Mr. DeYoung pursuant to the
        Company's 2005 Stock Incentive Plan an incentive stock option to purchase
        60,000
        shares of the Company's common stock, par value $0.001 per share, at a price
        of
        $3.34 per share, exercisable at the rate of 1/8 of the total number of shares
        after the first six months of August 17, 2005 and then with respect to 1/48
        of
        the total per month, such that the option will become fully vested at the
        end of
        four years. Furthermore, in connection with Mr. DeYoung's promotion, he shall
        receive an annual salary of $175,000 and he will be entitled to participate
        in
        the Company's management cash bonus program.
On
        August
        17, 2005, the Board appointed Mario Martinez, age 51, to serve as Vice President
        of Operations and General Manager of the Company effective August 17, 2005.
        Prior to joining the Company, from January 2000 to August 2005, he was President
        and Chief Executive Officer of Tecnix, LLC, a technology advisory company.
        From
        October 1997 to January 2000, he served as Vice President Engineering and
        Technology Development at 2C Optics, a medical device company. From December
        1995 to August 1997, he served as Vice President Engineering and Operations
        at
        Biofield Corp., a medical device company. From June 1992 to December 1995,
        Mr.
        Martinez served as Vice President Operations at EP Technologies, a division
        of
        Boston Scientific Corp. Prior to June 1992, Mr. Martinez held various
        positions at Cordis Corporation, a division of Johnson & Johnson, from March
        1987 to June 1992. Mr. Martinez holds a B.S. degree from Florida International
        University.
In
        connection with Mr. Martinez' appointment to the office described above,
        on
        August 17, 2005, the Company issued to Mr. Martinez pursuant to the Company's
        2005 Stock Incentive Plan an incentive stock option to purchase 100,000 shares
        of the Company's common stock, par value $0.001 per share, at a price of
        $3.34
        per share, exercisable at the rate of 1/8 of the total number of shares after
        the first six months of August 17, 2005 and then with respect to 1/48 of
        the
        total per month, such that the options will become fully vested at the end
        of
        four years.
The
        Company has entered into its standard form of change of control agreements
        and
        indemnification agreements with each of Mr. DeYoung and Mr. Martinez. The
        Company's change of control agreements provide the following benefits upon the
        sale or merger of the Company. In the event that the Company consummates
        a
        change of control transaction, 50% of any unvested options held by the Company
        officers shall become fully vested and immediately exercisable and repurchase
        rights retained by the Company with respect to 50% of the restricted stock
        held
        by the Company's officers shall immediately lapse. In addition, on each one
        month anniversary following the effective date of a change of control
        transaction, 1/12th of the remaining unvested options held by the Company's
        officers shall become fully vested and immediately exercisable and repurchase
        rights retained by the Company with respect to 1/12th of any remaining
        restricted stock held by the Company's officers shall immediately lapse. If the
        officer is involuntarily terminated within 12 months after the change of
        control
        transaction, all unvested options held by the Company's officers shall become
        fully vested and immediately exercisable and all repurchase rights retained
        by
        the Company with respect to the restricted stock held by the Company's officers
        shall immediately lapse. If the officer voluntarily resigns or is terminated
        for
        cause after the change of control, then the officer is not entitled to any
        acceleration of the vesting of options or lapse of repurchase rights with
        respect to restricted stock.
-3-
The
        Company's indemnification agreements contain provisions which may require the
        Company, among other things, to indemnify the Company's officers and directors
        against a number of liabilities that may arise by reason of their status
        or
        service as officers or directors (other than liabilities arising from willful
        misconduct of a culpable nature) and to advance their expenses incurred as
        a
        result of any proceeding against them as to which they could be indemnified.
        Insofar as indemnification for liabilities arising under the Securities Act
        of
        1933 may be permitted to directors, officers or persons controlling the Company
        pursuant to the foregoing provisions, the Company has been informed that
        in the
        opinion of the SEC such indemnification is against public policy as expressed
        in
        the Securities Act and is therefore unenforceable.
The
        description of the employment agreement between Mr. Martinez and the Company
        set
        forth in Item 1.01 of this Current Report on Form 8-K is incorporated by
        reference herein.
Item
        8.01 Other Events.
On
        August
        17, 2005, the Company announced that it had appointed Mario Martinez, age
        51, to
        serve as Vice President of Operations and General Manager of the Company.
        The
        full text of the press release issued in connection with this announcement
        is
        attached as Exhibit 99.1 to this Current Report on Form 8-K.
Item
        9.01
Financial
        Statements and Exhibits.
(c)
Exhibits:
10.92
Offer
                  Letter to Mario Martinez dated July 25,
                  2005
99.1
Press
                  Release of RITA Medical Systems, Inc. dated August 17,
                  2005
-4-
SIGNATURES
Pursuant
        to the requirements of the Securities Exchange Act of 1934, the Registrant
        has
        duly caused this report to be signed on its behalf by the undersigned hereunto
        duly authorized.
RITA MEDICAL SYSTEMS, INC.
Date:
                August 22, 2005
By:
/s/
Joseph
                DeVivo
Joseph
                DeVivo
President
                and Chief Executive Officer
-5-
RITA
        MEDICAL SYSTEMS, INC.
INDEX
        TO EXHIBITS
Exhibit
                  Number
Description
10.92
Offer
                  Letter to Mario Martinez dated July 25, 2005
99.1
Press
                  Release of RITA Medical Systems, Inc. dated August 17,
                  2005
-6-