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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`_________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`_________
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`LENOVO (UNITED STATES) INC., LENOVO HOLDING COMPANY, INC.,
`LENOVO GROUP LTD., GOOGLE, INC., BARNES & NOBLE INC.,
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`Petitioners
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`v.
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`PERSONAL AUDIO, LLC,
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`Patent Owner
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`_________
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`Case Not Yet Assigned
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`U.S. Patent No. 7,509,178
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`POWER OF ATTORNEY PURSUANT TO 37 C.F.R. §42.10(b)
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`1
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`Petition for Inter Partes Review of Us. Patent No. 7,509,178
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`POWER OF ATTORNEY PURSUANT TO 37 C.F.R. §42.10§b!
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`In accordance with 37 C.F.R. § 42.10(b), Barnes & Noble, Inc. hereby appoints:
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`Daniel M. De Vos
`Matt Nicholson
`(Reg. No. 37,813)
`(Reg. No. 62,889)
`DanwDevos@bstz.com
`MattfiNicholson@bstz.corn
`Blakely, Sokoloff, Taylor & Zafman
`Blakely, Sokoloff, Taylor & Zafman
`1279 Oakmead Parkway
`1279 Oakmead Parkway
`Sunnyvale, CA 94085—4040
`Sunnyvale, CA 94085-4040
`Phone: 408—720-8300
`Phone: 408-720-8300
`Fax: 408-720-8383
`Fax: 408-720—8383
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`as its representatives to act on its behalf in the above-identified proceeding and to transact all
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`business in the United States Patent and Trademark Office in connection therewith.
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`The individual signing below has the authority to execute this document on behalf of
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`Barnes & Noble, Inc,
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`Petition for Inter Partes Review of U.S. Patent No. 7,509,178
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`CERTIFICATE OF SERVICE
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`The undersigned hereby certifies, pursuant to 37 C.F.R. §§ 42.6(e) and
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`41.105, that the attached Power of Attorney is being served via Priority Mail
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`Express (formerly called Express Mail) on March 6, 2015, upon the patent owner’s
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`attorneys of record for the patent at the following address:
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`Charles G. Call
`3323 Carriage Trail
`Hillsborough NC 27278-9554
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`/Matthew N. Nicholson/
`Matthew N. Nicholson
`Reg. No. 62,889
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