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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`SANOFI—AVENTIS U.S. LLC AND
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`REGENERON PHARl\/IACEUTICALS, lNC.,
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`Petitioners
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`V.
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`GENENTECH, INC. AND CITY OF HOPE,
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`Patent Owners
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`Patent No. 6,331,415
`Appl. No. 07/205,419, filed June 10, 1988
`Issued: Dec. 18, 2001
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`Title: Methods of Producing Immunoglobulins, Vectors
`and Transformed Host Cells for Use Therein
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`IPR Trial No. IPR20l5—01624
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`GENENTECH, INC.’S POWER OF ATTORNEY
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`Mail Stop “PA TENTBOARD”
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
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`
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`IPR Trial No. IPR2015-01624
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`In accordance with 37 C.F.R. § 42.10(b), Patent Owner Genentech, Inc.
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`hereby appoints the following practitioners as its attorneys to transact all business
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`in the United States Patent and Trademark Office associated with the above-
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`captioned inter partes review of U.S. Patent No. 6,331,415.
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`Adam R. Brausa (Reg. No. 60,287) phone: 415-376-6420
`Lead Counsel:
`Back—up Counsel: Daralyn J. Durie (pro hac pending) phone: 415-376-6401
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`Address:
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`Durie Tangri LLP
`217 Leidesdorff Street
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`San Francisco, CA 94111
`415-362-6666 (reception)
`415-236-6300 (facsimile)
`abrausa@durietangri.com
`ddurie@durietangn'.com
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`The individual signing below has the authority to execute this document on
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`behalf of Genentech, Inc.
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`By:
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`Name:
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`»
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`Title:
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`Date:
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`
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`Paul Naik
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`Vice President, Intellectual Property
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`August 18, 2015
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`
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`IPR Trial No. IPR2015—01624
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`CERTIFICATE OF SERVICE 37 C.F.R.
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`42.6 e
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`The undersigned hereby certifies that the above-captioned “Genentech,
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`Inc.’s Power of Attorney” was served in its entirety on August 18, 2015, Via e-mail
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`and Federal Express on the following business day to lead counsel of record for
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`petitioners:
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`Richard J. McCormick, (No. 55,902)
`rmccormick@mayerbrown.corn
`MAYER BROWN LLP
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`1221 Avenue of the Americas
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`New York, NY 10020-1001
`Telephone: (212) 506-2382
`Fax: (212) 849 5682
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`Attorneyfor Petitioners San0fi—Aventis US.
`LLC and Regeneron Pharmaceuticals, Inc.
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`/s/ Adam R. Brausa
`Adam R. Brausa
`Reg. No. 60,287
`Attorney for Patent Owner