`
`In re Patent of:
`US. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`Edmund Munger et al.
`7,490,151
`February 10, 2009
`10/259,494
`September 30, 2002
`ESTABLISHMENT OF A SECURE COMMUNICATION LINK BASED ON A DOMAIN
`NAME SERVICE (DNS) REQUEST
`
`Attorney Docket No.: 38868-0006lP1
`
`Mail Stop Patent Board
`Patent Trial and Appeal Board
`US. Patent and Trademark Office
`PO. Box 1450
`
`Alexandria, VA 22313—1450
`
`PETITIONER’S POWER OF ATTORNEY IN A POST GRANT PROCEEDINGS BEFORE THE PATENTW
`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
`
`Kevin E. Greene, Reg. No. 40,031
`
`and all practitioners associated with PTO Customer Number 26171.
`
`t have the authority to execute this document on behalf of Microsoft Corporation.
`
`MICROSOFT CORPORATION
`
`
`,
`By:
`Name:
`I. Sandip S. Minhas
`
`
`
`