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`DocketNo.: 2001417—00163US4
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`(PATENT)
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`Inventor: Shane D. Mattaway et a1.
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`Inter Partes Review of Patent No.: 6,009,469
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`Filed: September 25, 1996
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`Issued: December 28, 1999
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`Title: GRAPHIC USER INTERFACE FOR INTERNET TELEPHONY APPLICATION
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`Mail Stop PATENT BOARD
`Patent Trial and Appeal Board
`Commissioner for Patents
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`PO. Box 1450
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`Alexandria, VA 22313-1450
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`Dear Sir/Madam:
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`POWER OF ATTORNEY
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`The undersigned hereby appoints the following attorneys and/or agents to prosecute the
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`above captioned Inter Partes Review and transact all business in the US. Patent and Trademark
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`Office connected herewith:
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`All practitioners at Customer Number 243 95.
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`Address all communications to:
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`WILMER CUTLER PICKERING
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`HALE AND DORR LLP
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`1875 Pennsylvania Ave, NW
`Washington, DC 20006
`(202) 663-6000
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`Address all e-mails and telephone calls to lead and back-up counsel (each associated with the
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`above Customer Number), listed below:
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`
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`Patent No.: 6,009,469
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`Docket No.: 2001417-00163US4
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`Grant K. Rowan (Lead Counsel, PTO Reg. No. 41,278)
`Grant.Rowan@wilmerhale.com
`WILMER CUTLER PICKERING
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`HALE AND DORR LLP
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`1875 Pennsylvania Ave, NW
`Washington, DC 20006
`Direct: 202-663-6011
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`Victor F. Souto (Back-up Counsel, PTO Reg. No. 33,458)
`Vic.Souto@wihnerhale.com
`WILMER CUTLER PICKERING
`
`HALE AND DORR LLP
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`7 World Trade Center
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`250 Greenwich Street
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`New York, NY 10007
`Direct: 212-937-7224
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`For:
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`
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` Title: Assistant S retary
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`
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`For: Vonage Ameri
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`Inc.
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`
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`Title: Assi
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`tSecretary
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`For: Vonage Marketing LLC
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`Emigg ,
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`Title: Assistant Secretary
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`7/2Hgi
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`132524797v.1
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