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`Docket No.:
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`1 152975-00249
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`(PATENT)
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`Inventor: Shane D. Mattaway et al.
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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 223 13—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 24395.
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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.: l 152975-00249
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`David L. Cavanaugh (Lead Counsel, PTO Reg. No. 36,476)
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`David.Cavanaugh@wilmerhale.com
`WILMER CUTLER PICKERING
`
`HALE AND DORR LLP
`
`1875 Pennsylvania Ave, NW
`Washington, DC 20006
`Direct: 202—663—6025
`
`Jason D. Kipnis (Back-up Counsel, PTO Reg. No. 40,680)
`
`Jason.Kipnis@wilnerhale.com
`WILMER CUTLER PICKERING
`
`HALE AND DORR LLP
`
`950 Page Mill Road
`Palo Alto, CA 94304
`Direct: 650—600—5036
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`For:
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`Cisco Systems, Inc.
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`$25
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`N e: Xiao Li
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`Title: Senior Corporate Counsel
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`Dated: 4/3/15
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`l4388974lv.l
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