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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`In re U.S. Patent US 7,421,032
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`Case No.: IPR To be assigned
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`Attorney Docket No. 082944.0102
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`Inventor: Jin, Hui, et al
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`Filed: Oct. 3, 2006
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`Issued: Sept. 2, 2008
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`Title: Serial Concatenation of Interleaved
`Convolutional Codes Forming Turbo-Like
`Codes
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`Mail Stop PATENT BOARD
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, Virginia 22313-1450
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`PETITIONER'S POWER OF ATTORNEY
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`Petitioners Hughes Network Systems, LLC
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`and Hughes Communications,
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`Inc.("Petitioners" or "Hughes") hereby appoints the following practitioners as its attorneys to
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`transact all business in the United States Patent and Trademark Office associated with Hughes's
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`Petition for Inter Partes Review of U.S. Patent No. 7,421,032:
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`Eliot Williams
`Reg. No. 50,822
`Baker Botts L.L.P.
`1001 Page Mill Rd.
`Palo Alto, CA 94304-1007
`Tel. 650 739 7500
`Fax 650-736-7699
`
`G. Hopkins Guy
`Reg. No. 35,886
`Baker Botts L.L.P.
`1001 Page Mill Rd.
`Palo Alto, CA 94304-1007
`Tel. 650 739 7500
`Fax 650-736-7699
`@ bakerbotts.com
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`Hughes also grants a full power of attorney to practitioners associated with the Customer
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`Number 020384 to transact all business in the United States Patent and Trademark Office
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`associated with the above identified Inter Partes Review.
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`
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`Petition for Inter Partes Review of U.S. Pat. No. 7,421,032
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`The individual signing below has the authority to execute this document on behalf of
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`Hughes.
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`Petitioners Hughes Network Systems, LLC a Hughes Communications, Inc.
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`Signature:
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`Name:
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`Timothy R. Jezek
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`Title:
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`Senior IP Counsel
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`-2-
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