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Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
Originator-Key-Asymmetric:
 MFgwCgYEVQgBAQICAf8DSgAwRwJAW2sNKK9AVtBzYZmr6aGjlWyK3XmZv3dTINen
 TWSM7vrzLADbmYQaionwg5sDW3P6oaM5D3tdezXMm7z1T+B+twIDAQAB
MIC-Info: RSA-MD5,RSA,
 FglFXsCtRPHMfZRPjz/s6bP7GpvLTvAUH52iR+/viw6olnXhEHmMCTN0Z/6nDs9x
 Rh+9NzhNLsECWy9X+a2l+Q==

<SEC-DOCUMENT>9999999997-05-016661.txt : 20050405
<SEC-HEADER>9999999997-05-016661.hdr.sgml : 20050405
<ACCEPTANCE-DATETIME>20050405165551
<PAPER>
ACCESSION NUMBER:		9999999997-05-016661
CONFORMED SUBMISSION TYPE:	ARS
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20050101
FILED AS OF DATE:		20050404
DATE AS OF CHANGE:		20050405
EFFECTIVENESS DATE:		20050404

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:			0102

	FILING VALUES:
		FORM TYPE:		ARS
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-10606
		FILM NUMBER:		05049366

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

	MAIL ADDRESS:	
		STREET 1:		555 RIVER OAKS PARKWAY
		CITY:			SAN JOSE
		STATE:			CA
		ZIP:			95134

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ECAD INC /DE/
		DATE OF NAME CHANGE:	19880609
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<FILENAME>9999999997-05-016661.paper
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This document was generated as part of a paper submission.
Please reference the Document Control Number 05049366 for access to the original document.
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