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`Filed November 22, 2021
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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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`TENNANT COMPANY,
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`Petitioner,
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`OXYGENATOR WATER TECHNOLOGIES, INC.,
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`Patent Owner.
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`Case IPR2021-00625
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`Patent RE45415
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`PATENT OWNER’S MOTION REQUESTING ACCEPTANCE OF
`SUBMISSION
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`Pursuant to 37 C.F.R. § 42.6(b)(2)(i), Oxygenator Water Technologies, Inc.
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`(“OWT”) respectfully requests that the enclosed Patent Owner Response, Motion
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`to Seal, Exhibit List, and Exhibits 2116 – 2196 be accorded a filing date of
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`November 19, 2021. Upon attempting to electronically file the enclosed documents
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`on that date, counsel for Patent Owner received the following error message while
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`attempting to access the PTAB E2E system:
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`This error message persisted despite attempts to log in with multiple
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`usernames, on multiple computers, and utilizing multiple browsers. OWT was
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`unable to successfully log in to the E2E system despite over an hour and a half of
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`attempting to do so. Therefore, pursuant to the procedure outlined on the Board’s
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`website, OWT timely served all above-identified documents on opposing counsel
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`via email at 10:14 PM CST on November 19th. See Filing Documents During an
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`Outage, https://www.uspto.gov/patents/apply/filing-online/filing-documents-
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`during-outage#PTAB%20E2E. OWT notified the Board of its attempted filing via
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`email immediately thereafter.
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`Dated: November 22, 2021
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`Respectfully submitted,
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`/J. Derek Vandenburgh/
`J. Derek Vandenburgh
`Registration No. 32,179
`Carlson, Caspers, Vandenburgh &
`Lindquist, P.A.
`225 South Sixth Street, Suite 4200
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`Minneapolis, MN 55402
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`Email: DVandenburgh@carlsoncaspers.com
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`Lead Counsel for Patent Owner
`Oxygenator Water Technologies, Inc
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`CERTIFICATION OF SERVICE
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`Pursuant to 37 C.F.R. § 42.6(e) and the agreement of the parties, the
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`undersigned certifies that on November 22, 2021, a true and correct copy of the
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`foregoing was served via electronic mail upon the following:
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`R. Scott Johnson (Reg. No. 45,792)
`Fredrikson & Byron, P.A.
`505 E. Grand Ave., Suite 200
`Des Moines, IA 50309
`Phone: (515) 242-8930
`Fax: (515) 242-8950
`Email: RSJohnson@fredlaw.com
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`Adam R. Steinert
`Fredrikson & Byron, P.A.
`200 South 6th Street, Suite 4000
`Minneapolis, MN 55402
`Tel: (612) 492-7000
`Fax: (612) 492-7797
`Email: asteinert@fredlaw.com
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`Thomas M. Patton (Reg. No. 76,193)
`Fredrikson & Byron, P.A.
`505 E. Grand Ave., Suite 200
`Des Moines, IA 50309
`Phone: (515) 242-8908
`Fax: (515) 242-8950
`Email: tpatton@fredlaw.com
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`/s/ J. Derek Vandenburgh
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`J. Derek Vandenburgh (Lead Counsel)
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