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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 No. IPR2021-00255
`U.S. Patent No. 10,298,451
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`NOTICE OF STIPULATION OF CHANGE TO DUE DATE 3
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`IPR2021-00255
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`Petitioner and Patent Owner have conferred and reached an agreement
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`regarding the extension of certain dates set forth in the Scheduling Order (Paper
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`23). Pursuant to the authorization of this Board to modify the Scheduling Order set
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`forth in Paper 23, the parties hereby stipulate to the following adjustments of the
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`Scheduling Order: Due Date 3, with respect to Patent Owner’s Sur-Reply to
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`Petitioner’s Reply, from January 20, 2022 (see Paper 32) to February 8, 2022. The
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`parties seek no changes to the other due dates set forth in Paper 23.
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`Date: January 10, 2022
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`Respectfully submitted,
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` /s/ Mark G. Knedeisen
`Mark G. Knedeisen
`Reg. No. 42,747
`K&L Gates LLP
`210 Sixth Avenue
`Pittsburgh, PA 15222
`mark.knedeisen@klgates.com
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`Counsel for Patent Owner
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`1
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`IPR2021-00305
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`CERTIFICATE OF SERVICE
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`I hereby certify that on January 10, 2022, I caused a true and correct copy
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`of the foregoing to be served via electronic mail on the following counsel of
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`Jennie Hartjes
`Goldman Ismail Tomaselli Brennan &
`Baum LLP
`200 South Wacker Drive, 22nd Floor
`Chicago, IL 60606
`Tel: 312-881-5958
`jhartjes@goldmanismail.com
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`Michael Pieja
`Goldman Ismail Tomaselli Brennan &
`Baum LLP
`200 South Wacker Dr., 22nd Floor
`Chicago, IL 60606
`Tel: 312-881-5954
`mpieja@goldmanismail.com
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` /s/ Mark G. Knedeisen
` Mark G. Knedeisen
` Reg. No. 42,747
` K&L Gates LLP
` 210 Sixth Avenue
` Pittsburgh, PA 15222
` mark.knedeisen@klgates.com
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`record for Petitioner:
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`W. Karl Renner
`Roberto J. Devoto
`Ryan Chowdhury
`Seth Sproul
`Fish & Richardson P.C.
`3200 RBC Plaza
`60 South Sixth Street
`Minneapolis, MN 55402
`Tel: 202-783-5070
`Fax: 877-769-7945
`IPR50095-0020IP1@fr.com
`PTABInbound@fr.com
`axf-ptab@fr.com
`devoto@fr.com
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