Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
  Hsu Chi-Ping
 2. Date of Event Requiring Statement (Month/Day/Year)
10/27/2008		 3. Issuer Name and Ticker or Trading Symbol
CADENCE DESIGN SYSTEMS INC [CDNS]
(Last)
(First)
(Middle)
2655 SEELY AVENUE, BLDG 5		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
Corporate Vice President, PTO
 5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

SAN JOSE, CA 95134		 6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ Form filed by More than One Reporting Person
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Stock 42,855
D
 

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares
Incentive Stock Option (right to buy)   (1) 10/01/2012 Common Stock 13,887 $ 1.25 D  
Non-qualified Stock Option (right to buy)   (2) 03/26/2013 Common Stock 14,643 $ 1.25 D  
Non-qualified Stock Option (right to buy)   (3) 04/17/2013 Common Stock 254,526 $ 10.435 D  
Non-qualified Stock Option (right to buy)   (4) 12/09/2015 Common Stock 7,292 $ 17.89 D  
Non-qualified Stock Option (right to buy)   (5) 11/15/2016 Common Stock 33,542 $ 18.845 D  
Non-qualified Stock Option (right to buy)   (6) 05/15/2015 Common Stock 10,000 $ 11.25 D  

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
Hsu Chi-Ping
2655 SEELY AVENUE, BLDG 5
SAN JOSE, CA 95134		       Corporate Vice President, PTO  

Signatures

James J. Cowie, Attorney-in-Fact for Chi-Ping Hsu 11/05/2008
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1) Option was granted on October 1, 2002 and is fully vested.
(2) Option was granted on March 26, 2003 and is fully vested.
(3) Option was granted on April 17, 2003 and is fully vested.
(4) Option was granted on December 9, 2005 and vests at a rate of 1/48th per month thereafter.
(5) Option was granted on November 15, 2006 and vests at a rate of 1/48th per month thereafter.
(6) Option was granted on May 15, 2008 and vests at a rate of 1/48th per month thereafter.

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