`BEFORE THE PATENT AND APPEAL BOARD
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`In re patent of: Farber et al.
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`U.S. Patent No. 6,415,280
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`IDENTIFYING AND REQUESTING §
`DATA IN NETWORK USING
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`IDENTIFIERS WHICH ARE BASED §
`ON CONTENTS OF DATA
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`Issued: July 2, 2002
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`Title:
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`Petition for Inter Partes Review
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`Real Party in Interest: Google Inc. and
`YouTube, LLC
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`PETITIONER POWER OF ATTORNEY PURSUANT TO 37 CFR 42.10(b)
`FOR PETITION FOR INTER PARTES REVIEW
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`Petitioners Google Inc. and YouTube, LLC hereby appoint the Practitioners listed and
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`designated below as their attorneys to transact all business in the Patent Trial & Appeal Board of the
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`United States Patent and Trademark Office connected with the above-identified petition for Inter Partes
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`Review.
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`777 S. Figueroa Street, 44th Floor
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`Los Angeles, CA 90017-5844
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` Telephone: (415) 471-3100
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`Facsimile: (415) 471-3400
`emily.hostage@aporter. com
`USPTO 1{_eg. No. 69,717
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`Back-up Counsel
`Alissa H. Faris
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`_ARNOLD & PORTER LLP
`1801 Page Mill Road
`Palo Alto, CA 94304-1216
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`Back-up Counsel
`Emily C. Hostage
`ARNOLD & PORTER LLP
`Three Embarcadero Center
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`San Francisco, CA 94111-4024
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`Lead Counsel
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`Jennifer A. Sklenar
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`ARNOLD & PORTER LLP
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`Telephone: (213) 243 -4000
`Facsimile: (213) 243-4199
`jennifer.sklenar@aporter.com
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`USPTO Reg. No. 40,205
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`Telephone: (650) 798-2920
`Facsimile: (650) 798-2999
`a1issa.faris@aporter.com
`USPTO Reg. No. 60,791
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`The undersigned is authorized to sign this Power ofAttorney on behalf ofthe Petitioners.
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`Executed at Mountain View, CA on the [th day of June, 2014.
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`Google Inc. and YouTube, LLC
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`Printed Name: Catherine Lacavera
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`Title: Director, Litigation