1、UNITED STATESSECURITIES AND EXCHANGE COMMISSIONWashington,D.C.20549FORM 10-K(Mark One)ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the year ended October 31,2012ORTRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d)OF THE SECURITIES EXCHANGE ACT OF 1934For the
2、transition period fromtoCommission File Number 0-19807SYNOPSYS,INC.(Exact name of registrant as specified in its charter)Delaware56-1546236(State or other jurisdiction ofincorporation or organization)(I.R.S.EmployerIdentification No.)700 East Middlefield Road,Mountain View,California 94043(Address o
3、f principal executive offices,including zip code)(650)584-5000(Registrants telephone number,including area code)Securities Registered Pursuant to Section 12(b)of the Act:Title of Each ClassName of Each Exchange on Which RegisteredCommon Stock,$0.01 par valueNASDAQ Global Select MarketSecurities Regi
4、stered Pursuant to Section 12(g)of the Act:NoneIndicate by check mark if the registrant is a well-known seasoned issuer,as defined in Rule 405 of the SecuritiesAct.Yes No Indicate by check mark if the registrant is not required to file reports pursuant to Section 13 or Section 15(d)of theAct.Yes No
5、Indicate by check mark whether the registrant(1)has filed all reports required to be filed by Section 13 or 15(d)of the SecuritiesExchange Act of 1934 during the preceding 12 months(or for such shorter period that the registrant was required to file such reports),and(2)has been subject to such filin
6、g requirements for the past 90 days.Yes No Indicate by check mark whether the registrant has submitted electronically and posted on its corporate Web site,if any,everyInteractive Data File required to be submitted and posted pursuant to Rule 405 of Regulation S-T(232.405 of this chapter)duringthe pr