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`PETITION FOR INTER PARTES
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`REVIEW PURSUANT
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`TO
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`37
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`C.F.R. § 42.100 ET SEQ.
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`In re US. Patent No. 5,561,811
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`Issued: October 1, 1996
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`Filed: November 10, 1992
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`Applicant: Eric A. Bier
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`Title: Method and Apparatus for Per-User
`Customization of Applications Shared by a Plurality
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`of Users on a Single Display
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`Mail Stop Inter Partes Review
`Commissioner for Patents
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`PO. Box 1450
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`Alexandria, VA 22313-1450
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`PETITIONER’S POWER OF ATTORNEY IN AN INTER PARTES REVIEW
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`Petitioners, Activision Blizzard, Inc. and Blizzard Entertainment, Inc., hereby appoint the
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`following practitioners as their attorneys to transact all business in the United States Patent &
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`Trademark Office associated with the above-captioned inter partes review:
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`Fax: (913) 777-5601
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`Eric A. Buresh (Reg. No. 50,394)
`eric.buresh@eriseip.com
`ERISE IP, P.A.
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`6201 College Blvd., Suite 300
`Overland Park, Kansas 6621 1
`Telephone: (913) 777-5600
`Fax: (913) 777-5601
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`Paul R. Hart (Reg. No. 59,646)
`paul.hart@eriseip.com
`ERISE IP, RA.
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`5600 Greenwood Plaza Blvd., Suite 200
`Greenwood Village, Colorado 801 1 1
`Telephone: (913) 777-5600
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`The individual signing below has the authority to execute this document on behalf of
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`Petitioners, Activision Blizzard, Inc. and Blizzard Entertainment, Inc.
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`By: A Name: a e/ 54 [A
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`Title: vhfltf 6(S/JOW fl Date:
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