<SUBMISSION>
<ACCESSION-NUMBER>0000950134-09-010695
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20090513
<ITEMS>5.02
<ITEMS>8.01
<FILING-DATE>20090514
<DATE-OF-FILING-DATE-CHANGE>20090514
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>CADENCE DESIGN SYSTEMS INC
<CIK>0000813672
<ASSIGNED-SIC>7372
<IRS-NUMBER>770148231
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1229
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>001-10606
<FILM-NUMBER>09826846
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>2655 SEELY ROAD BLDG 5
<CITY>SAN JOSE
<STATE>CA
<ZIP>95134
<PHONE>4089431234
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>555 RIVER OAKS PARKWAY
<CITY>SAN JOSE
<STATE>CA
<ZIP>95134
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>ECAD INC /DE/
<DATE-CHANGED>19880609
</FORMER-COMPANY>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>f52513e8vk.htm
<DESCRIPTION>FORM 8-K
<TEXT>
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<TITLE>e8vk</TITLE>
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM 8-K</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>CURRENT REPORT<BR>
Pursuant to Section&nbsp;13 or 15(d) of<BR>
the Securities Exchange Act of 1934<BR>
<DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Date of report (Date of earliest event reported): May&nbsp;13, 2009</B></DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>CADENCE DESIGN SYSTEMS, INC.</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact Name of Registrant as Specified in its Charter)</DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
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<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>000-15867</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>77-0148231</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or Other Jurisdiction
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Commission File Number)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">of Incorporation)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Identification No.)</TD>
</TR>
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</TABLE>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
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<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>2655 Seely Avenue, Building 5</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>95134</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>San Jose, California</B></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(Address of Principal Executive Offices)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Zip Code)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>(408)&nbsp;943-1234</B><BR>
(Registrant&#146;s telephone number, including area code)</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">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:
</DIV>


<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))</TD>
</TR>

</TABLE>
</DIV>

<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>





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<DIV style="font-family: 'Times New Roman',Times,serif">










<!-- TOC -->
<A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

<P><CENTER>
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</TR>
<TR><TD colspan="9"><A HREF="#000">Item&nbsp;5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers</A></TD></TR>
<TR><TD colspan="9"><A HREF="#001">Item&nbsp;8.01. Other Events</A></TD></TR>
<TR><TD colspan="9"><A HREF="#002">SIGNATURES</A></TD></TR>
</TABLE>
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<!-- link1 "Item&nbsp;5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of Certain Officers; Compensatory Arrangements of Certain Officers" -->
<DIV align="left"><A NAME="000"></A></DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><B>Item&nbsp;5.02. Departure of Directors or Certain Officers; Election of Directors; Appointment of
Certain Officers; Compensatory Arrangements of Certain Officers.</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">On May&nbsp;13, 2009, the Compensation Committee of the Board of Directors of Cadence Design Systems,
Inc. (&#147;Cadence&#148;) approved and accepted the voluntary reduction of the base salaries of each of
Cadence&#146;s executive officers, effective July&nbsp;1, 2009 through March&nbsp;31, 2010. During this period,
the base salary of Lip-Bu Tan, Cadence&#146;s President and Chief Executive Officer will be reduced by
20% and the base salary of each of Cadence&#146;s Senior Vice Presidents will be reduced by 10%. This
base salary reduction was volunteered by the executive officers in support of Cadence&#146;s cost
reduction strategy and commitment to operational efficiency.
</DIV>

<!-- link1 "Item&nbsp;8.01. Other Events" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;8.01. Other Events.</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">On May&nbsp;13, 2009, Cadence&#146;s Board of Directors voluntarily reduced the retainer fees payable to its
non-employee directors and the retainer fee payable to the Chairman of the Board by 10% each,
effective July&nbsp;1, 2009 through March&nbsp;31, 2010.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">In connection with Cadence&#146;s overall cost reduction strategy, Cadence expects to reduce the base
salaries of certain other senior employees, specifically by 5% to 7.5% for fellows, vice presidents
and corporate vice presidents, depending on level of seniority.
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">



<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="002"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;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.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Dated: May&nbsp;14, 2009
</DIV>


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    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">CADENCE DESIGN SYSTEMS, INC.<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ James J. Cowie
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">James J. Cowie&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left" nowrap>Senior Vice President, General Counsel and Secretary&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>




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</SUBMISSION>
