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<title>SECURITIES AND EXCHANGE COMMISSION</title>

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<p align=center><font face="Arial" size="2"><b>&nbsp;</b></font></p>

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<p align=center><font face="Arial"><b>SECURITIES AND EXCHANGE COMMISSION<br>
</b></font><font face="Arial" size="2">Washington, D.C. 20549</font></p>

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<p align=center>&nbsp;</p>

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<p align=center><font face="Arial"><b>FORM 8-K</b></font></p>

<p align="center"><font face="Arial" size="2"><sup>&nbsp;</sup>CURRENT REPORT<br>
Pursuant to Section 13 or 15(d)<br>
of the Securities Exchange Act of 1934</font></p>

<p align=center>&nbsp;</p>

<p align=center><font face="Arial" size="2">Date of Report (Date of earliest event reported):<br>
September 13, 2004</font></p>

<p align=center>&nbsp;</p>

<p align=center><font face="Arial"><b>MENTOR CORPORATION<br>
</b></font><font face="Arial" size="2">(Exact name of registrant as specified in its
charter)</font></p>

<p align=center>&nbsp;</p>

<table border=0 cellspacing=0 cellpadding=0 width="779">
 <tr>
  <td width=154 valign=top>
  &nbsp;</td>
  <td width=280 valign=top>
  <p><font face="Arial" size="2">Minnesota</font></p>
  </td>
  <td width=188 valign=top>
  <p><font face="Arial" size="2">0-7955</font></p>
  </td>
  <td width=157 valign=top>
  <p><font face="Arial" size="2">41-0950791</font></p>
  </td>
 </tr>
 <tr>
  <td width=154 valign=top>
  &nbsp;</td>
  <td width=280 valign=top>
  <p><font face="Arial" size="2">(State or other
  jurisdiction of incorporation)</font></p>
  </td>
  <td width=188 valign=top>
  <p><font face="Arial" size="2">(Commission File No.)</font></p>
  </td>
  <td width=157 valign=top>
  <p><font face="Arial" size="2">(IRS Employer I.D. No.)</font></p>
  </td>
 </tr>
</table>



<p align=center><font face="Arial" size="2">201 Mentor Drive<br>
Santa Barbara, California 93111<br>
(Address of principal executive offices)</font></p>



<p align=center><font face="Arial" size="2">Registrant's telephone number, including area code:<br>
(805) 879-6000</font></p>





<table border=0 cellspacing=0 cellpadding=0 width=600>
 <tr>
  <td valign=top>
  <p><font face="Arial" size="2">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): <br>
&nbsp;</font></p>
  </td>
 </tr>
</table>



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  <p><font face="Arial" size="2">[&nbsp;&nbsp;&nbsp;&nbsp;]</font></p>
  </td>
  <td width="95%" valign=top>
  <p><font face="Arial" size="2">Written communications
  pursuant to Rule 425 under the Securities Act (17 CFR
  230.425)</font></p>
  </td>
 </tr>
</table>



<table border=0 cellspacing=0 cellpadding=0 width=600>
 <tr>
  <td width="5%" valign=top>
  <p><font face="Arial" size="2">[&nbsp;&nbsp;&nbsp;&nbsp;]</font></p>
  </td>
  <td width="95%" valign=top>
  <p><font face="Arial" size="2">Soliciting material
  pursuant to Rule 14a-12 under the Exchange Act (17 CFR
  240.14a-12) </font> </p>
  </td>
 </tr>
</table>



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  <td width="5%" valign=top>
  <p><font face="Arial" size="2">[&nbsp;&nbsp;&nbsp;&nbsp;]</font></p>
  </td>
  <td width="95%" valign=top>
  <p><font face="Arial" size="2">Pre-commencement communications
  pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
  240.14d-2(b)) </font> </p>
  </td>
 </tr>
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 <tr>
  <td width="5%" valign=top>
  <p><font face="Arial" size="2">[&nbsp;&nbsp;&nbsp;&nbsp;]</font></p>
  </td>
  <td width="95%" valign=top>
  <p><font face="Arial" size="2">Pre-commencement
  communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
  </font> </p>
  </td>
 </tr>
</table>

<p><font face="Arial" size="2">Section
8 - Other Events</font></p>

<p><font face="Arial" size="2">Item 8.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Other Events</font></p>

<p align=left><font face="Arial" size="2">On September 13, 2004, Mentor
Corporation and American Medical Systems, Inc. entered into a settlement
agreement under which both parties agreed to dismiss the intellectual property
lawsuits involving American Medical Systems and Mentor.&nbsp; Under the settlement agreement, the parties
have agreed to concurrently enter into a non-exclusive cross-license agreement
covering patents related to the field of female pelvic health.&nbsp; Under
the cross-license agreement, American Medical Systems will make a one-time
payment to Mentor in the amount of $2.5 million for access to U.S.
Patent No. 6,638,211, which is the method
patent owned by Mentor covering the trans-obturator
surgical approach and was the subject of the litigation.&nbsp; </font> </p>

<p align=left><font face="Arial" size="2">On September 14, 2004, Mentor issued
a press release announcing that it had agreed to settle this intellectual
property litigation with AMS and concurrently entered
into the cross-license agreement.&nbsp; The press release is attached as Exhibit
99.1.</font></p>

<p><font face="Arial" size="2">Section
9 - Financial Statements and Exhibits</font></p>

<p><font face="Arial" size="2">(a)&nbsp; <u>Financial Statements
of Businesses Acquired</u></font></p>

<p><font face="Arial" size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Not Applicable.</font></p>

<p><font face="Arial" size="2">(b)&nbsp; <u>Pro Forma
Financial Information</u></font></p>

<p><font face="Arial" size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Not Applicable.</font></p>

<p><font face="Arial" size="2">(c)&nbsp; <u>Exhibits</u></font></p>

<p><font face="Arial" size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u>Exhibit No.</u>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u>Description</u></font></p>

<p><font face="Arial" size="2">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; 99.1&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Press Release dated
September 14, 2004 (included herewith)</font></p>

<p align=center>&nbsp;</p>

<p align=center><font face="Arial" size="2">SIGNATURES</font></p>

<p><font face="Arial" size="2">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></p>

<p><font face="Arial" size="2">&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;&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; MENTOR CORPORATION</font></p>

<p><font face="Arial" size="2">Date: September 14, 2004&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u>/s/JOSHUA
H. LEVINE<br>
</u>&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;&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; Joshua H. Levine<br>
&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;&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;
Chief Executive Officer</font></p>

<p><font face="Arial" size="2">Date: September 14, 2004&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; <u>/s/LOREN
L. MCFARLAND<br>
</u>&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;&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; Loren L. McFarland<br>
&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;&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;
Chief Financial Officer</font></p>

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{"company-data": {"conformed-name": "MENTOR CORP /MN/", "cik": "0000064892", "assigned-sic": "3842", "irs-number": "410950791", "state-of-incorporation": "MN", "fiscal-year-end": "0331"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "001-31744", "film-number": "041029110"}, "business-address": {"street1": "201 MENTOR DR", "city": "SANTA BARBARA", "state": "CA", "zip": "93111", "phone": "8058796000"}, "mail-address": {"street1": "201 MENTOR DR", "city": "SANTA BARBARA", "state": "CA", "zip": "93111"}}
SECURITIES AND EXCHANGE COMMISSION
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):
September 13, 2004
MENTOR CORPORATION
(Exact name of registrant as specified in its
charter)
Minnesota
0-7955
41-0950791
(State or other
  jurisdiction of incorporation)
(Commission File No.)
(IRS Employer I.D. No.)
201 Mentor Drive
Santa Barbara, California 93111
(Address of principal executive offices)
Registrant's telephone number, including area code:
(805) 879-6000
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):
[    ]
Written communications
  pursuant to Rule 425 under the Securities Act (17 CFR
  230.425)
[    ]
Soliciting material
  pursuant to Rule 14a-12 under the Exchange Act (17 CFR
  240.14a-12)
[    ]
Pre-commencement communications
  pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
  240.14d-2(b))
[    ]
Pre-commencement
  communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c))
Section
8 - Other Events
Item 8.01          Other Events
On September 13, 2004, Mentor
Corporation and American Medical Systems, Inc. entered into a settlement
agreement under which both parties agreed to dismiss the intellectual property
lawsuits involving American Medical Systems and Mentor.  Under the settlement agreement, the parties
have agreed to concurrently enter into a non-exclusive cross-license agreement
covering patents related to the field of female pelvic health.  Under
the cross-license agreement, American Medical Systems will make a one-time
payment to Mentor in the amount of $2.5 million for access to U.S.
Patent No. 6,638,211, which is the method
patent owned by Mentor covering the trans-obturator
surgical approach and was the subject of the litigation.
On September 14, 2004, Mentor issued
a press release announcing that it had agreed to settle this intellectual
property litigation with AMS and concurrently entered
into the cross-license agreement.  The press release is attached as Exhibit
99.1.
Section
9 - Financial Statements and Exhibits
(a)
Financial Statements
of Businesses Acquired
Not Applicable.
(b)
Pro Forma
Financial Information
Not Applicable.
(c)
Exhibits
Exhibit No.
Description
99.1                        Press Release dated
September 14, 2004 (included herewith)
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.
MENTOR CORPORATION
Date: September 14, 2004
/s/JOSHUA
H. LEVINE
Joshua H. Levine
Chief Executive Officer
Date: September 14, 2004
/s/LOREN
L. MCFARLAND
Loren L. McFarland
Chief Financial Officer