<SUBMISSION>
<ACCESSION-NUMBER>0001193125-07-261618
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20071207
<ITEMS>1.01
<FILING-DATE>20071210
<DATE-OF-FILING-DATE-CHANGE>20071207
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>INTUITIVE SURGICAL INC
<CIK>0001035267
<ASSIGNED-SIC>3842
<IRS-NUMBER>770416458
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-30713
<FILM-NUMBER>071293935
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>950 KIFER ROAD
<CITY>SUNNYVALE
<STATE>CA
<ZIP>94086
<PHONE>4085232100
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>950 KIFER ROAD
<CITY>SUNNYVALE
<STATE>CA
<ZIP>94086
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>d8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
<HTML><HEAD>
<TITLE>Form 8-K</TITLE>
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<HR SIZE="3" NOSHADE COLOR="#000000" ALIGN="left"> <P STYLE="margin-top:10px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="5"><B>UNITED STATES </B></FONT></P> <P
STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="5"><B>SECURITIES AND EXCHANGE COMMISSION </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman"
SIZE="3"><B>Washington, D.C.&nbsp;20549</B></FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><HR WIDTH="17%" SIZE="1" NOSHADE COLOR="#000000"> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="5"><B>FORM 8-K </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="4"><B>CURRENT REPORT </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px"
ALIGN="center"><FONT FACE="Times New Roman" SIZE="4"><B>Pursuant to Section&nbsp;13 or 15(d) of </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="4"><B>The Securities Exchange Act of 1934
</B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Date of Report: December&nbsp;7, 2007 </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2">(Date of earliest event reported) </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><HR WIDTH="17%" SIZE="1" NOSHADE COLOR="#000000"> <P STYLE="margin-top:12px;margin-bottom:0px"
ALIGN="center"><FONT FACE="Times New Roman" SIZE="6"><B>INTUITIVE SURGICAL, INC. </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">(Exact name of registrant as specified in its charter)
</FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD VALIGN="top" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>Delaware</B></FONT></TD>
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<TD VALIGN="top" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>000-30713</B></FONT></TD>
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<TD VALIGN="top" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>77-0416458</B></FONT></TD></TR>
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<TD VALIGN="top" ALIGN="center"> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">(State or other jurisdiction</FONT></P> <P STYLE="margin-top:0px;margin-bottom:1px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2">of incorporation or organization)</FONT></P></TD>
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<TD VALIGN="top" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">Commission File Number</FONT></TD>
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<TD VALIGN="top" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">(I.R.S. Employer Identification No.)</FONT></TD></TR>
</TABLE> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>950 Kifer Road </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2"><B>Sunnyvale, California&nbsp;94086 </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2">(Address of Principal executive offices, including zip code)
</FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>(408) 523-2100 </B></FONT></P> <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman"
SIZE="2">(Registrant&#146;s telephone number, including area code) </FONT></P> <P STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><HR WIDTH="17%" SIZE="1" NOSHADE COLOR="#000000"> <P STYLE="margin-top:12px;margin-bottom:0px"><FONT
FACE="Times New Roman" 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: </FONT></P> <P
STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"></FONT><FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT><FONT FACE="Times New Roman" SIZE="2"></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425) </FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"></FONT><FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT><FONT FACE="Times New Roman" SIZE="2"></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12) </FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>

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<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"></FONT><FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT><FONT FACE="Times New Roman" SIZE="2"></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240.14d-2(b)) </FONT></TD></TR></TABLE> <P
STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"></FONT><FONT FACE="WINGDINGS" SIZE="2" COLOR="#000000">&#168;</FONT><FONT FACE="Times New Roman" SIZE="2"></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240.13e-4(c)) </FONT></TD></TR></TABLE> <P
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P><HR SIZE="3" NOSHADE COLOR="#000000" ALIGN="left">

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<TD WIDTH="13%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>ITEM&nbsp;1.01:</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B>Entry into a Material Definitive Agreement </B></FONT></TD></TR></TABLE> <P STYLE="font-size:6px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD WIDTH="4%" VALIGN="top" ALIGN="left"><FONT FACE="Times New Roman" SIZE="2"><B>(b)</B></FONT></TD>
<TD ALIGN="left" VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><B>Material Definitive Agreement </B></FONT></TD></TR></TABLE> <P STYLE="margin-top:6px;margin-bottom:0px"><FONT FACE="Times New Roman" SIZE="2">Intuitive Surgical, Inc.
(Intuitive), the industry leader in surgical robotics, announced that it has agreed with California Institute of Technology (Cal Tech) to enter into a non exclusive license under Cal Tech&#146;s patent portfolio and that Cal Tech has agreed to
dismiss its lawsuit against Intuitive.&nbsp;The terms of the license arrangement have not been disclosed and are considered immaterial to the Company&#146;s financial statements. </FONT></P>

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 <P STYLE="margin-top:0px;margin-bottom:0px" ALIGN="center"><FONT FACE="Times New Roman" SIZE="2"><B>SIGNATURES </B></FONT></P> <P STYLE="margin-top:12px;margin-bottom:0px; text-indent:4%"><FONT
FACE="Times New Roman" 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
STYLE="font-size:12px;margin-top:0px;margin-bottom:0px">&nbsp;</P>
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<TD VALIGN="top" COLSPAN="3"><FONT FACE="Times New Roman" SIZE="2">INTUITIVE SURGICAL, INC.</FONT></TD></TR>
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<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">Date:&nbsp;December&nbsp;7, 2007</FONT></TD>
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<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2">By</FONT></TD>
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<TD VALIGN="top"> <P STYLE="margin-bottom:1px;border-bottom:1px solid #000000"><FONT FACE="Times New Roman" SIZE="2">/s/ <I>Marshall L. Mohr</I></FONT></P></TD></TR>
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<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><I>Name:</I>&nbsp;Marshall L. Mohr</FONT></TD></TR>
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<TD VALIGN="top"><FONT FACE="Times New Roman" SIZE="2"><I>Title:</I> Senior Vice President and Chief Financial Officer</FONT></TD></TR>
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