Ownership Submission
FORM 4
Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN 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 *
Logan Joseph W
   2. Issuer Name and Ticker or Trading Symbol
SYNOPSYS INC [SNPS] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Sr. VP, Worldwide Sales
(Last)
(First)
(Middle)
700 EAST MIDDLEFIELD ROAD		 3. Date of Earliest Transaction (Month/Day/Year)
03/23/2007
(Street)

MOUNTAIN VIEW, CA 94043		 4. If Amendment, Date Original Filed(Month/Day/Year)
 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 Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3)		 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code
(Instr. 8)		 4. Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4 and 5)		 5. Amount of Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 3 and 4)		 6. Ownership Form: Direct (D) or Indirect (I)
(Instr. 4)		 7. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V Amount (A) or (D) Price
Common Stock 03/23/2007   M   1,167 A $ 21.07 1,167 D  
Common Stock 03/23/2007   S   1,167 D $ 26.6733 0 D  
Common Stock 03/23/2007   M   5,167 A $ 21.725 5,167 D  
Common Stock 03/23/2007   S   5,167 D $ 26.6733 0 D  
Common Stock 03/23/2007   M   583 A $ 14.65 583 D  
Common Stock 03/23/2007   S   583 D $ 26.6733 0 D  
Common Stock 03/23/2007   M   4,062 A $ 21.1 4,062 D  
Common Stock 03/23/2007   S   4,062 D $ 26.6733 0 D  
Common Stock 03/23/2007   M   5,000 A $ 19.34 5,000 D  
Common Stock 03/23/2007   S   5,000 D $ 26.6733 0 D  
Common Stock 03/23/2007   M   8,000 A $ 18.52 8,000 D  
Common Stock 03/23/2007   S   8,000 D $ 26.6733 0 D  
Common Stock 03/23/2007   M   926 A $ 17.16 926 D  
Common Stock 03/23/2007   S   926 D $ 26.6733 0 D  
Common Stock 03/23/2007   M   3,086 A $ 17.16 3,086 D  
Common Stock 03/23/2007   S   3,086 D $ 26.6733 0 D  
Common Stock 03/23/2007   M   757 A $ 17.16 757 D  
Common Stock 03/23/2007   S   757 D $ 26.6733 0 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3)		 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code
(Instr. 8)		 5. Number of Derivative Securities Acquired (A) or Disposed of (D)
(Instr. 3, 4, and 5)		 6. Date Exercisable and Expiration Date
(Month/Day/Year)		 7. Title and Amount of Underlying Securities
(Instr. 3 and 4)		 8. Price of Derivative Security
(Instr. 5)		 9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s)
(Instr. 4)		 10. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 4)		 11. Nature of Indirect Beneficial Ownership
(Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Non-Qualified Stock Option (right to buy) $ 14.65 03/23/2007   M     583 12/19/2004 08/19/2014 Common Stock 583 $ 0 6,417 D  
Non-Qualified Stock Option (right to buy) $ 17.16 03/23/2007   M     926 02/23/2007 12/23/2011 Common Stock 926 $ 0 7,661 D  
Non-Qualified Stock Option (right to buy) $ 17.16 03/23/2007   M     3,086 02/23/2007 12/23/2011 Common Stock 3,086 $ 0 4,575 D  
Non-Qualified Stock Option (right to buy) $ 17.16 03/23/2007   M     757 02/23/2007 12/23/2011 Common Stock 757 $ 0 3,818 D  
Non-Qualified Stock Option (right to buy) $ 18.52 03/23/2007   M     8,000 09/21/2005 09/21/2011 Common Stock 8,000 $ 0 0 D  
Non-Qualified Stock Option (right to buy) $ 19.34 03/23/2007   M     5,000 03/13/2007 09/13/2013 Common Stock 5,000 $ 0 35,000 D  
Non-Qualified Stock Option (right to buy) $ 21.07 03/23/2007   M     1,167 12/19/2004 09/19/2012 Common Stock 1,167 $ 0 3,500 D  
Non-Qualified Stock Option (right to buy) $ 21.1 03/23/2007   M     4,062 03/02/2007 12/02/2012 Common Stock 4,062 $ 0 8,938 D  
Non-Qualified Stock Option (right to buy) $ 21.725 03/23/2007   M     5,167 12/09/2006 12/09/2012 Common Stock 5,167 $ 0 0 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Logan Joseph W
700 EAST MIDDLEFIELD ROAD
MOUNTAIN VIEW, CA 94043		       Sr. VP, Worldwide Sales  

Signatures

 By: Stephen Buckhout pursuant to POA For: Joseph Logan   03/23/2007
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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).

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