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`____________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`____________
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`TENNANT COMPANY,
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`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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`Case IPR2021-00625
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`Patent RE45415
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`____________
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`UPDATED MANDATORY NOTICES OF PATENT OWNER
`OXYGENATOR WATER TECHNOLOGIES, INC. PURSUANT TO
`37 C.F.R. § 42.8
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`Pursuant to 37 C.F.R. § 42.8, Patent Owner, Oxygenator Water
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`Technologies, Inc. (“OWT”), submits the following mandatory notice information:
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`1. Real Party-In-Interest
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`Oxygenator Water Technologies, Inc. is the real party-in-interest.
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`2. Related Matters
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`The RE45,415 is the subject of litigation in the U.S. District Court for the
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`District of Minnesota: Oxygenator Water Technologies, Inc. v. Tennant Company,
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`No. 20-cv-00358 (ECT/HB) (D. Minn., filed Jan. 27, 2020). Patent Owner
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`additionally identifies U.S. Patent Application No. 16/166,991.
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`3. Lead and Back-Up Counsel
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`Lead counsel for Patent Owner is:
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`J. Derek Vandenburgh, Reg. No. 32,179
`Carlson, Caspers, Vandenburgh, & Lindquist, P.A.
`Capella Tower, Suite 4200
`225 South Sixth Street
`Minneapolis, MN 55402
`Email: dvandenburgh@carlsoncaspers.com
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`Back-up counsel for Patent Owner is:
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`Aaron W. Pederson, Reg. No. 58,607
`Carlson, Caspers, Vandenburgh, & Lindquist, P.A.
`Capella Tower, Suite 4200
`225 South Sixth Street
`Minneapolis, MN 55402
`Email: OWT@carlsoncaspers.com
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`Nathan D. Louwagie, Reg. No. 70,075
`Carlson, Caspers, Vandenburgh, & Lindquist, P.A.
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`1
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`Capella Tower, Suite 4200
`225 South Sixth Street
`Minneapolis, MN 55402
`Email: nlouwagie@carlsoncaspers.com
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`4. Service Information
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`Please address all correspondence to the lead and back-up counsel as shown
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`above. Patent Owner consents to electronic service by email at the email addresses
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`provided above.
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`Dated: April 20, 2022
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`Respectfully submitted,
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`/s/J. Derek Vandenburgh
`J. Derek Vandenburgh
`Registration No. 32,179
`Carlson, Caspers, Vandenburgh, &
`Lindquist, P.A.
`Capella Tower, Suite 4200
`225 South Sixth Street
`Minneapolis, MN 55402
`dvandenburgh@carlsoncaspers.com
`
`Lead Counsel for Patent Owner
`Oxygenator Water Technologies, Inc.
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`2
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`CERTIFICATION OF SERVICE
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`
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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 April 20, 2022, a true and correct copy of the
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`foregoing Updated Mandatory Notices of Patent Owner Oxygenator Water
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`Technologies, Inc. Pursuant to 37 C.F.R. § 42.8 was served via electronic mail
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`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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`/s/ J. Derek Vandenburgh
`J. Derek Vandenburgh (Lead Counsel)
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`3
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