`
`In re Patent of:
`US. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`Attorney Docket No.: 39521-0016IP1
`
`Steven Krampf, et al.
`8,090,309
`January 3, 2012
`11/967,692
`December 31, 2007
`ENTERTAINMENT SYSTEM WITH UNIFIED CONTENT
`
`SELECTION
`
`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 PATENT TRIAL AND APPEAL BOARD
`
`Petitioner, Apple Inc., hereby appoints the following practitioners as its attorneys to
`
`transact all business in the United States Patent & Trademark Office associated with any infer
`
`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
`
`Joshua A. Griswold, Reg. No. 46,310
`
`and all practitioners associated with PTO Customer Number 26171.
`
`I have the authority to execute this document on behalf of Apple Inc.
`
`Name:
`
`Noreen Krall
`
`Title:
`
`Date:
`
`Vice President. Chief Liti ation Counsel
`[1 /
`
`Hill;
`
`[25; 2159
`
`