IN THE UNITED STATES PATENT AND TRADEMARK OFFICE
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
`
`In re Inter Partes Review of U.S. Patent No. 7,949,752
`
`Filed: November 24, 2004
`Inventor: Danny Lange et al.
`Title: NETWORK SYSTEM EXTENSIBLE BY USERS
`
`Issued: May 24, 2011
`
`PTAB Trial Number: To be Assigned
`
`POWER OF ATTORNEY PURSUANT TO 37 CFR 42.10 b
`
`HCC Insurance Holdings, Inc. hereby appoints:
`
`The attorneys associated with customer numbers 29053 and 26271 as attorneys to
`
`represent the undersigned and transact all business in the United States Patent and Trademark
`
`Office in connection with the above-referenced Inter Partes Reviews of U.S. Patent No.
`
`7,949,752.
`
`Date: Q @113
`
`/.2 :90/(,
`
`Z: Z ; 4
`
`Elaine L. Lawson
`
`Vice President & Assistant General Counsel
`
`HCC Insurance Holdings, Inc.
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