`
`Attorney Docket No.: 42342-0086IP1
`
`Dave Leahy, et al.
`In re Patent of:
`8,082,501
`U.S. Patent No.:
`
`December 20, 2011
`Issue Date:
`
`Appl. Serial No.: 12/406,968
`
`Filing Date:
`March 19, 2009
`Title:
`SYSTEM AND METHOD FOR ENABLING USERS TO
`INTERACT IN A VIRTUAL SPACE
`
`
`
`
`Mail Stop Patent Board
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
`
`PETITIONER’S POWER OF ATTORNEY IN POST GRANT PROCEEDINGS BEFORE
`THE PATENT TRIAL AND APPEAL BOARD
`
`
`
`Petitioner, Microsoft Corporation, hereby appoints the following practitioners as its
`attorneys to transact all business in the United States Patent & Trademark Office associated with
`any inter partes review, covered business method review, post grant review, or other review
`proceedings before the Patent Trial and Appeal Board of the above-captioned patent:
`
`
`
`W. Karl Renner, Reg. No. 41,265
`David Holt, Reg. No. 65,161
`
`
`and all practitioners associated with PTO Customer Number 26171.
`I have the authority to execute this document on behalf of Microsoft Corporation.
`
`Microsoft Corporation
`
`
`By:
`Name:
`Title:
`Date:
`
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`(cid:9)(cid:30)(cid:30)(cid:23)(cid:30)(cid:31)(cid:19)(cid:26)(cid:31)(cid:1)(cid:17)(cid:22)(cid:20)(cid:29)(cid:22)(cid:31)(cid:19)(cid:29)(cid:33)(cid:4)(cid:1)(cid:18)(cid:16)(cid:4)(cid:1)(cid:19)(cid:26)(cid:21)(cid:1)(cid:11)(cid:22)(cid:28)(cid:32)(cid:31)(cid:33)(cid:1)(cid:13)(cid:22)(cid:26)(cid:22)(cid:29)(cid:19)(cid:24)(cid:1)(cid:10)(cid:27)(cid:32)(cid:26)(cid:30)(cid:22)(cid:24)
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`(cid:7)(cid:8)(cid:5)(cid:8)(cid:5)(cid:8)(cid:6)(cid:8)(cid:6)
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