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`UNITED STATES PATENT AND TRADEMARK OFFICE
`
`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`CELLTRION,INC.,
`Petitioner,
`
`V.
`
`REGENERON PHARMACEUTICALS,INC.,
`Patent Owner.
`
`Case No. IPR2022-00258
`USS. Patent No. 9,254,338
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`PETITIONER’S POWER OF ATTORNEY
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`
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`
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`Pursuant to 37 C.F.R. § 42.10(b), Petitioner Celltrion, Inc., hereby appoints
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`the following lead and back-up counsel, as its attorneys to transact all business in
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`the United States Patent & Trademark Office associated with petitions for inter
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`partes review of U.S. Patent No. 9,254,338, Case IPR2022-00258.
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`Lead Counsel
`
`Back-Up Counsel
`
`Lora M. Green
`USPTO Reg. No. 43,541
`GEMINI LAW LLP
`40 W 24" Street, Suite 6N
`New York, NY 10010
`\Tel.: 917-915-8832
`Email: lgreen@geminilaw.com
`
`ahn Lin Chu
`USPTO Reg. No. 75,946
`GEMINI LAW LLP
`AO W 24" Street, Suite 6N
`ew York, NY 10010
`el.: 917-915-8832
`Email: fchu@geminilaw.com
`
`
`
`Robert Cerwinski
`GEMINI LAW LLP
`40 W 24" Street, Suite 6N
`INew York, NY 10010
`(Tel.: 917-915-8832
`Email: rcerwinski@geminilaw.com
`
`Aviv Zalcenstein
`EMINI LAW LLP
`A0 W 24*Street, Suite 6N
`New York, NY 10010
`el.: 917-915-8832
`Email: azalcenstein@geminilaw.com
`
`Brigid Morris
`GEMINI LAW LLP
`40 W 24Street, Suite 6N
`INew York, NY 10010
`(Tel.: 917-915-8832
`Email: bmorris@geminilaw.com
`
`David Kim
`USPTO Reg. No. 69,503
`GEMINI LAW LLP
`40 W 24+ Street, Suite 6N
`ew York, NY 10010
`el.: 917-915-8832
`Email: dkim@geminilaw.com
`
`ie.
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`
`
`For:
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`Petitioner Celltrion, Inc.
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`we rr he
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`Signature
`
`Kyungha Shin
`Print Name
`
`Vice President
`
`Title
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`Date: April 26, 2023
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`-2-
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`