`
`In re Patent of:
`
`Hutton et al.
`
`US. Patent No.:
`issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`6,108,704
`August 22, 2000
`08,553,115
`September 25, 1995
`POINT-TO-POINT INTERNET PROTOCOL
`
`Attorney Docket No.: 25979
`
`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 AN INTER PARTES REVIEW
`
`In addition to any previously filed power of attorney, co-Petitioner, Avaya Inc., hereby also appoints
`
`the following practitioners as its attorneys to transact all business in the United States Patent & Trademark
`
`Office associated with the interpartes review of the above-captioned patent:
`
`Dorothy P. Whelan, Reg. No. 33,814
`
`Christopher 0. Green, Reg. No. 52,964
`
`and all practitioners associated with PTO Customer Number 26171.
`
`I have the authority to execute this document on behalf of Avaya Inc.
`
`AVAYA INC.
`
` Jose hC. Kirincich
`
`Title:
`
`Associate General Counsel
`
`Date:W—
`
`