Attached files

file filename
EX-31.2 - CERTIFICATION OF CFO PURSUANT TO RULE 13A-14(A)/RULE 15D-14(A) - Pharmasset Incdex312.htm
EX-32.2 - CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350 - Pharmasset Incdex322.htm
EX-31.1 - CERTIFICATION OF CEO PURSUANT TO RULE 13A-14(A)/RULE 15D-14(A) - Pharmasset Incdex311.htm
10-K - FORM 10-K - Pharmasset Incd10k.htm
EX-32.1 - CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350 - Pharmasset Incdex321.htm

EXHIBIT 23.1

CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM

We have issued our reports dated November 25, 2009, with respect to the financial statements and internal control over financial reporting included in the Annual Report of Pharmasset, Inc. on Form 10-K for the year ended September 30, 2009. We hereby consent to the incorporation by reference of said reports in the Registration Statements of Pharmasset, Inc. on Form S-8 (File No. 333-162359, effective October 6, 2009) and on Form S-3 (File No. 333-151749, effective June 26, 2008).

/s/ Grant Thornton LLP

Philadelphia, Pennsylvania

November 25, 2009