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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`APPLE INC.,
`Petitioner,
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`v.
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`KOSS CORPORATION,
`Patent Owner.
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`_____________________
`CASE: IPR2021-00592
`U.S. PATENT NO. 10,469,934
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`PATENT OWNER’S POWER OF ATTORNEY
`PURSUANT TO 37 C.F.R. § 42.10(b)
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`504213472 v1
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`IPR2021-00592 Patent Owner’s Power of Attorney
`U.S. Patent 10,469,934
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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: Laurén 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 U.S. Patent No. 10,469,934.
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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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`Respectfully submitted,
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`By: ________________________
`Koss Corporation
`Name: Michael J. Koss, Jr.
`Title: Vice President, Marketing & Product
`Date: _______________________
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`IPR2021-00592 Patent Owner’s Power of Attorney
`U.S. Patent 10,469,934
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`Certification of Service Under 37 C.F.R. § 42.6(e)(4)
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`I hereby certify that on March 9, 2021, I caused a true and correct copy of the
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`foregoing to be served on the following counsel for Petitioner by electronic mail to
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`the following email address:
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`W. Karl Renner
`David L. Holt
`Joel A. Henry
`Fish & Richardson P.C.
`3200 RBC Plaza
`60 South Sixth Street
`Minneapolis, MN 55402
`ipr50095-0018ip1@fr.com
`ptabinbound@fr.com
`axf-ptab@fr.com
`holt2@fr.com
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`/Mark G. Knedeisen/
`Mark G. Knedeisen (Reg. No. 42,747)
`K&L Gates Center, 210 Sixth Avenue
`Pittsburgh, Pennsylvania 15222
`Tel.: (412) 355-6342
`mark.knedeisen@klgates.com
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`Counsel for Patent Owner
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`By:
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