`
`In re Patent of:
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`Sofia et al.
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`US. Patent No.:
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`7,964,580
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`Issue Date:
`June 21, 2011
`Appl. Serial No.: 12/053,015
`Filing Date:
`March 21, 2008
`Title:
`NUCLEOSIDE PHOSPHORAMIDATE PRODRUGS
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`Mail Stop Patent Board
`Patent Trial and Appeal Board
`US. Patent and Trademark Office
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`PO. Box 1450
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`Alexandria, VA 22313 -1450
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`PATENT OWNER’S POWER OF ATTORNEY IN AN INTER PAR TES REVIEW
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`Patent Owner, Gilead Pharmasset LLC, hereby appoints the following practitioners as its
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`attorneys to transact all business in the United States Patent & Trademark Office associated with
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`the inter partes review of the above-captioned patent:
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`Dorothy P. Whelan, Reg. No. 33,814
`Michael J. Kane, Reg. No. 39,722
`W. Chad Shear, Reg. No. 47,938
`David L. Cavanaugh, Reg. No. 36,476
`Emily R. Whelan, Reg. No. 50,391
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`and all practitioners associated with PTO Customer Numbers 26191 and 24395.
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`I have the authority to execute this document on behalf of Gilead Pharmasset LLC.
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`Gilead Pharmasset LLC
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`
`
`