`
`In re Patent of:
`
`Du et al.
`
`US. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`8,735,372
`May 27, 2014
`14/057,675
`October 18, 2013
`NUCLEOSIDE PHOSPHORAMIDATE PRODRUGS
`
`Mail Stop Patent Board
`Patent Trial and Appeal Board
`US. Patent and Trademark Office
`PO. Box 1450
`
`Alexandria, VA 22313-1450
`
`PATENT OWNER’S POWER OF ATTORNEY IN AN INTER PARTES REVIEW
`
`Patent Owner, Gilead Pharmasset LLC, hereby appoints the following practitioners as its attorneys
`
`to transact all business in the United States Patent & Trademark Office associated with the inter partes
`
`review of the above-captioned patent:
`
`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
`
`and all practitioners associated with PTO Customer Number 26191 and 24395.
`
`i have the authority to execute this document on behalf of Gilead Pharmasset LLC.
`
`Gilead Pharmasset LLC
`
`
` J, EU}:
`Lin/LTILUM
`Title:
`55 sec. (game/pr CouNLUZ ,
`,(9
`
`Date:
`
`// 4/; 4/ 2
`
`