Attached files
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