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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`APPLE INC.
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`Petitioner
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`V.
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`KOSS CORPORATION
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`Patent Owner
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`CASE: IPR2021-00381
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`U.S. PATENT NO. 10,491,982
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`PATENT OWNER’S POWER OF ATTORNEY
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`PURSUANT TO 37 C.F.R. § 42.101b2
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`IPR202l-00381 Patent Owner’s Power of Attorney
`US. Patent 10,491,982
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`Patent Owner Koss Corporation hereby appoints the following practitioners:
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`Lead Counsel: Mark G. Knedeisen (Reg. No. 42,747)
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`Backup Counsel: Laure'n Shuttleworth Murray (Reg. No. 67,462)
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`Brian P. Bozzo (Reg. No. 77,190)
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`as its attorneys to transact all business in the United States Patent & Trademark
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`Office associated with the inter partes review of US. Patent No. 10,491,982.
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`The undersigned is authorized to sign this Power of Attorney on behalf of
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`Patent Owner.
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` K0 Corporation
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`Name: Michael J.
`033, Jr.
`Title: Vice P esident, Marketing & Product
`Date:
`((111201;
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`IPR2021—00381 Patent Owner’s Power of Attorney
`US. Patent 10,491,982
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`Certification of Service Under 37 C.F.R. § 426(c)(4)
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`I hereby certify that on January 13, 2021, I caused a true and correct copy of
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`the foregoing to be served on the following counsel for Petitioner by electronic mail
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`to the following email address:
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`W. Karl Renner (Reg. No. 41,265)
`Roberto Devoto (Reg. No. 55,108)
`Fish & Richardson PC.
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`3200 RBC Plaza
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`60 South Sixth Street
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`Minneapolis, MN 55402
`Tel: 202-783—5070
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`Fax: 877—769-7945
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`Email: IPR50095—00019IP1@fr.com
`Email: PTABInbound@fr.com
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`By:
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`/Mark G. Knedeisen/
`Mark G. Knedeisen (Reg. No. 42,747)
`K&L Gates Center, 210 Sixth Avenue
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`Pittsburgh, Pennsylvania 15222
`Tel.: (412) 355-6342
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`mark.lmedeisen@klgates.com
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`Counselfor Patent Owner
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