`Attorney Docket No.: 50095-0018IP1
`
`In re Patent of:
`U.S. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
`
`Michael J. Koss, et al.
`10,469,934
`November 5, 2019
`16/375,879
`April 5, 2019
`SYSTEM WITH WIRELESS EARPHONES
`
`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:
`
`Seth Sproul, Pro Hac Vice
`
`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
`21 October 2021
`Date:
`
`
`
`
`