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`Paper N0.
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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`Samsung Electronics CO., Ltd.
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`Petitioner,
`
`V.
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`Mobile Telecommunications Technologies, LLC
`Patent Owner.
`
`Patent No. 5,659,891
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`Issued: August 19, 1997
`Filed: June 7, 1995
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`Inventors: William D. Hays, Dennis Cameron, Walter Roehr
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`Title: MULTICARRIER TECHNIQUES IN BANDLIMITED CHANNELS
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`Inter Partes Review N0.
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`POWER OF ATTORNEY FOR PETITIONER SAMSUNG
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`ELECTRONICS CO., LTD.
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`
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`Petition re U.S. Pat. 5,659,891
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`In accordance with 37 C.F.R. § 42.10(b), Petitioner Samsung Electronics
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`Co., Ltd. hereby appoints:
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`Lead Counsel
`Heath Briggs
`Reg. No. 54,919
`GREENBERG TRAURIG, LLP
`1200 17th Street, Suite 2400
`Denver, CO 80202
`BriggSH@gt1aW.C0m
`Phone: (303) 572-6500
`Fax: (303) 572-6540
`
`Backup Lead Counsel
`Patrick J. McCarthy
`Reg. No. 62,762
`GREENBERG TRAURIG, LLP
`2101 L Street, N.W., Suite 1000
`Washington, DC 20037
`McCarthyP@gtlaw.com
`Phone: (202) 331-3100
`Fax: (202) 331-3101
`
`as its representatives to act on its behalf in any petition(s) for inter partes review
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`relative to the above-identified patent, with full power to appoint an associate
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`agent, and to transact all business in the United States Patent and Trademark
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`Office in connection therewith.
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`I have authority to sign this document on behalf of Petitioner, Samsung
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`Electronics Co., Ltd.
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`Signature:
`Name:
`Title:
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`£7] i
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`KIM; ?/J ___
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`‘\
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`/V‘
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`Date: @ (1I