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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`OPTIS CELLULAR TECHNOLOGY, LLC.
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`Patent Owner.
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`U.S. Patent No. 8,102,833
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`PATENT OWNER’S POWER OF ATTORNEY
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`U.S. Patent No. 8,102,833
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`Pursuant to 37 C.F.R. 42.10(b), Patent Owner Optis Cellular Technology,
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`LLC. ("Optis Cellular") hereby appoints the practitioners associated with Irell &
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`Manella LLP's Customer No. 29000 as its attorneys to transact all business in the
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`United States Patent and Trademark Office in the Inter Partes Review of U.S.
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`Patent Nos. 8,102,833. Optis Cellular further appoints H. Annita Zhong as the
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`Lead Counsel, and Jason Sheasby as Back-up Counsel:
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`Lead Counsel
`H. Annita Zhong (Reg. No. 66,530)
`IRELL & MANELLA LLP
`1800 Avenue of the Stars, Suite 900
`Los Angeles, California 90067
`Telephone: (310) 277-1010
`Facsimile: (310) 203-7199
`hzhong@irell.com
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`Back-up Counsel
`Jason Sheasby (Pro Hac Vice to be requested)
`IRELL & MANELLA LLP
`1800 Avenue of the Stars, Suite 900
`Los Angeles, California 90067
`Telephone: (310) 277-1010
`Facsimile: (310) 203-7199
`jsheasby@irell.com
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`The individual signing below has the authority to execute documents on
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`behalf of Optis Cellular Technology, LLC.
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`Dated: March 20, 2020
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`By:
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`Chad Hilyard (General Counsel)
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`Signed with authority on behalf of
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` Optis Cellular Technology, LLC
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