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`In re Patent of:
`U.S. Patent No.:
`Issue Date:
`Appl. Serial No.:
`Filing Date:
`Title:
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`Walter G. Mayfield et al.
`10,589,320
`March 17, 2020
`16/698,223
`November 27, 2019
`SYSTEM COMPRISING A PORTABLE SWITCHING DEVICE FOR USE WITH A
`PORTABLE ELECTRONIC DEVICE
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`Attorney Docket No.: 50095-0031IP1
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`Mail Stop Patent Board
`Patent Trial and Appeal Board
`U.S. Patent and Trademark Office
`P.O. Box 1450
`Alexandria, VA 22313-1450
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`PETITIONER'S POWER OF ATTORNEY IN AN INTER PARTES REVIEW
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`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, covered
`business method review, post grant review, or other review proceedings before the Patent Trial and Appeal
`Board of the above-captioned patent:
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`and all practitioners associated with PTO Customer Number 26171.
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`W. Karl Renner, Reg. No. 41,265
`Roberto J. Devoto, Reg. No. 55,108
`Andrew B. Patrick, Reg. No. 63,471
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` I
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` have the authority to execute this document on behalf of Apple Inc.
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`By:
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`Name: Noreen Krall
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`Title: Vice President, Chief Litigation Counsel
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`Date:
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