`
`In re Patent of:
`U.S. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`Xiaoping Ren
`7,749,641
`July 6, 2010
`10/491,134
`May 6, 2004
`SECONDARY LITHIUM ION CELL OR BATTERY, AND PROTECTING
`CIRCUIT, ELECTRONIC DEVICE, AND CHARGING DEVICE OF THE
`SAME
`
`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 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 inter
`partes 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
`Hyun Jin In, Reg. No. 70,014
`Gretchen DeVries, Reg. No. 72,505
`
`and all practitioners associated with PTO Customer Number 26171.
`I have the authority to execute this document on behalf of Apple Inc.
`
`Apple Inc.
`
`By:
`Name: Jeffrey L. Myers
`Title: Chief IP Counsel
`2023 July 31
`Date:
`
`
`
`______
`
`