`Patent No. 8,377,903
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`Paper No. 2
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`In the United States Patent and Trademark Office
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`Before the Patent Trial and Appeal Board
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`TWI PHARMACEUTICALS INC.,
`Petitioner,
`v.
`MERCK SERONO SA
`Patent Owner
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`U.S. Patent No. 8,377,903
`Ser. No. 12/766,173
`Issue Date: Feb. 19, 2013
`Title: Cladribine Regimen for Treating Multiple Sclerosis
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`Case No. IPR2023-00050
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`__________________________________________________________________
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`PETITIONER TWI PHARMACEUTICALS, INC.’S
`POWER OF ATTORNEY
`(INTER PARTES REVIEW OF U.S. PATENT NO. 8,377,903)
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`Case No. IPR2023-00050
`Patent No. 8,377,903
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`Pursuant to 37 C.F .R. § 42.1 0(b ), TWi Pharmaceuticals, Inc. ("Petitioner")
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`hereby appoints Philip D. Segrest, Jr., Reg. No. 39,021, Nathan P. Sportel, Reg.
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`No. 67,980, and Steve Howe, Reg. No. 67,015 as attorneys to represent the
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`undersigned before the United States Patent and Trademark Office (USPTO) in
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`connected with all transactions associated with an inter partes review of U.S.
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`Patent No. 8,377,903.
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`Lead Counsel First Back-Up Counsel
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`D. Segrest, Jr.
`Nathan P. Sportel
`Philip
`Reg. No. 67,980
`Reg. No. 39,021
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`Husch Blackwell LLP
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`Husch Blackwell LLP
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`Plaza, Suite 2200 120 South Riverside Plaza, Suite 2200 120 South Riverside
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`Chicago, IL 60606
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`Chicago, IL 60606
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`(312)655-1500 Tel
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`(312)655-1500 Tel
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`(312)655-1501 Fax
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`(312)655-1501 Fax
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`Philip. Segrestc@,huschblackwell.com
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`Back-Up Counsel
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`Stephen R. Howe
`Reg. No. 67,015
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`Husch Blackwell LLP
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`511 North Broadway, Suite 1100
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`Milwaukee, WI 53202
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`(414)978-5393 Tel
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`(312)655-1501 Fax
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`steve.howe�huschblackwell.com
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`Na than. Sportel�huschblackwell. com
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`FOR: TWi Pharmaceuticals, Inc.
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`SIGNATURE:
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`PRINTED NAME AND TITLE:
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`I
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`Case No. IPR2023-00050
`Patent No. 8,377,903
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`CERTIFICATE OF SERVICE
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`Pursuant to 37 C.F.R. § 42.105, Petitioner certifies that this Power of
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`Attorney was served by Federal Express®, on October 14, 2022, to the Patent
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`Owner of U.S. Patent No. 8,377,903 at their correspondence address of record
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`according to USPTO PAIR:
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`SALIWANCHIK, LLOYD & EISENSCHENK
`A PROFESSIONAL ASSOCIATION
`P.O. BOX 142950
`GAINESVILLE, FL 32614
`UNITED STATES
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`and that additional copies have been delivered to the address of the patent owner
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`according to the assignments of record at the USPTO at:
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`MERCK SERONO SA
`CENTRE INDUSTRIEL
`COINSINS, VAUD, SWITZERLAND 1267
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`October 14, 2022
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` Respectfully submitted,
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`/Philip D. Segrest, Jr./
`Philip D. Segrest Jr. (Reg. No. 39,021)
`philip.segrest@huschblackwell.com
`Lead Counsel for Petitioner
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`Nathan P. Sportel
` Steven R. Howe
`Backup Counsel for Petitioner
`HUSCH BLACKWELL LLP
`120 South Riverside Plaza, Suite 2200
`Chicago, IL 60606
`Tel. 312-655-1500
`Fax. 312-644-1501
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`HB: 4862-8923-1414
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