<SEC-DOCUMENT>0001193125-16-517867-index.html : 20160325
<SEC-HEADER>0001193125-16-517867.hdr.sgml : 20160325
<ACCEPTANCE-DATETIME>20160325110039
ACCESSION NUMBER:		0001193125-16-517867
CONFORMED SUBMISSION TYPE:	DEF 14A
PUBLIC DOCUMENT COUNT:		5
CONFORMED PERIOD OF REPORT:	20160505
FILED AS OF DATE:		20160325
DATE AS OF CHANGE:		20160325
EFFECTIVENESS DATE:		20160325

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CADENCE DESIGN SYSTEMS INC
		CENTRAL INDEX KEY:			0000813672
		STANDARD INDUSTRIAL CLASSIFICATION:	SERVICES-PREPACKAGED SOFTWARE [7372]
		IRS NUMBER:				770148231
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1228

	FILING VALUES:
		FORM TYPE:		DEF 14A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-15867
		FILM NUMBER:		161528999

	BUSINESS ADDRESS:	
		STREET 1:		2655 SEELY AVENUE BLDG 5
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134
		BUSINESS PHONE:		4089431234

	MAIL ADDRESS:	
		STREET 1:		2655 SEELY AVENUE
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ECAD INC /DE/
		DATE OF NAME CHANGE:	19880609
</SEC-HEADER>
<DOCUMENT>
<TYPE>DEF 14A
<SEQUENCE>1
<FILENAME>d67825ddef14a.htm
<DESCRIPTION>DEFINITIVE PROXY STATEMENT
<TEXT>
Document 1 - file: d67825ddef14a.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g67825g23k35.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g67825g23k35.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g67825g62u58.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g67825g62u58.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>4
<FILENAME>g67825pcpg001.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 4 - file: g67825pcpg001.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>5
<FILENAME>g67825pcpg002.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 5 - file: g67825pcpg002.jpg

</DOCUMENT>
</SEC-DOCUMENT>