`______________________________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`TENNANT COMPANY,
`Petitioner,
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`v.
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`OXYGENATOR WATER TECHNOLOGIES, INC.,
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`Patent Owner.
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`______________________________
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`IPR2021-00625
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`U.S. PATENT NO. RE45,415
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`______________________________
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`JOINT STIPULATION TO MODIFY THE SCHEDULE
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`IPR2021-00625
`U.S. Patent RE45,415
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`Pursuant to the Scheduling Order (Paper 10 at 7-8), Patent Owner
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`Oxygenator Water Technologies, Inc. and Petitioner Tennant Company, through
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`their attorneys of record, hereby stipulate and agree to modify the portion of DUE
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`DATE 2 related to Petitioner’s reply from February 4, 2022, to February 25, 2022,
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`and the portion of DUE DATE 3 related to Patent Owner’s sur-reply from March
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`18, 2022, to April 8, 2022 . This change is limited to the portions of DUE DATES
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`2 and 3 related to Petitioner’s reply and Patent Owner’s sur-reply; all remaining
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`deadlines set forth in the Scheduling Order are unaffected.
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`Dated: December 21, 2021
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`Dated: December 21, 2021
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`/R. Scott Johnson/
`R. Scott Johnson
`Reg. No. 45,792
`Counsel for Petitioners
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`/ J. Derek Vandenburgh/
`(Lead Counsel for Patent Owner)
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`- 2 -
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`IPR2021-00625
`U.S. Patent RE45,415
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`CERTIFICATE OF SERVICE
`Per agreement of the parties and pursuant to 37 C.F.R. ¶ 42.105(b), the
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`undersigned certifies that a copy of this Joint Stipulation to Modify the Schedule
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`was served on December 21, 2021, electronically via Secured File Transfer on the
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`following:
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`Larina Alton for Schwegman Lundberg & Woessner, P.A.
`Larina.Alton@maslon.com
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`Dated: December 21, 2021
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`/R. Scott Johnson/
`R. Scott Johnson
`Reg. No. 45,792
`Counsel for Petitioners
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`- 3 -
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