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`Paper No. _____
`Filed: May 1, 2023
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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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`_____________________________
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`CELLTRION, INC.,
`Petitioner,
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`v.
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`REGENERON PHARMACEUTICALS, INC.,
`Patent Owner.
`_____________________________
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`Case No. IPR2022-002581
`U.S. Patent No. 9,254,338
`_____________________________
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`PETITIONER’S UPDATED MANDATORY NOTICES
`UNDER 37 C.F.R. § 42.8 (a)(3)
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`1 This proceeding has been joined to IPR2021-00881.
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`Pursuant to 37 C.F.R. § 42.8 (a)(3), the undersigned on behalf of and acting
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`in a representative capacity for Celltrion, Inc. (“Petitioner”), hereby submits the
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`following mandatory notices in connection with the petition for inter partes review
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`of U.S. Patent No. 9,254,338, Case IPR2022-00258.
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`Petitioner updates the contact information for lead counsel, Lora M. Green,
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`and back-up counsel, Yahn Lin Chu, who have both transitioned from Wilson
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`Sonsini Goodrich Rosati to Gemini Law LLP. Petitioner also adds back-up
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`counsel, David Kim.
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`A. Real Party-In-Interest (37 C.F.R. § 42.8(b)(1)) – Unchanged
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`B. Related Matters (37 C.F.R. § 42.8(b)(2)) – Unchanged
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`-1-
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`C. Lead and Back-up Counsel (37 C.F.R. § 42.8(b)(3)) – REVISED
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`Petitioner provides the following designation of counsel:
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`Lead Counsel
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`Back-Up Counsel
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`Lora M. Green (Updated)
`USPTO Reg. No. 43,541
`GEMINI LAW LLP
`40 W 24th Street, Suite 6N
`New York, NY 10010
`Tel.: 917-915-8832
`Email: lgreen@geminilaw.com
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`Yahn Lin Chu (Updated)
`USPTO Reg. No. 75,946
`GEMINI LAW LLP
`40 W 24th Street, Suite 6N
`New York, NY 10010
`Tel.: 917-915-8832
`Email: fchu@geminilaw.com
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`Back-Up Counsel
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`Back-Up Counsel
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`Robert Cerwinski (pro hac vice,
`pending)
`GEMINI LAW LLP
`40 W 24th Street, Suite 6N
`New York, NY 10010
`Tel.: 917-915-8832
`Email: rcerwinski@geminilaw.com
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`Aviv Zalcenstein (pro hac vice,
`pending)
`GEMINI LAW LLP
`40 W 24th Street, Suite 6N
`New York, NY 10010
`Tel.: 917-915-8832
`Email: azalcenstein@geminilaw.com
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`Back-Up Counsel
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`Back-Up Counsel
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`Brigid Morris (pro hac vice, pending)
`GEMINI LAW LLP
`40 W 24th Street, Suite 6N
`New York, NY 10010
`Tel.: 917-915-8832
`Email: bmorris@geminilaw.com
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`David Kim (New)
`USPTO Reg. No. 69,503
`GEMINI LAW LLP
`40 W 24th Street, Suite 6N
`New York, NY 10010
`Tel.: 917-915-8832
`Email: dkim@geminilaw.com
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`D. Electronic Service (37 C.F.R. § 42.8(b)(4)) – Unchanged
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`Petitioner consents to electronic service by email at the email addresses
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`provided above.
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`Date: May 1, 2023
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`Respectfully submitted,
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`/ Lora M. Green /
` Lora M. Green, Lead Counsel
` USPTO Reg. No. 43,541
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`CERTIFICATE OF SERVICE
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`The undersigned certifies that this paper was served today on the Patent
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`Owner at the email correspondence addresses of the Patent Owner as follows:
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`Deborah Fishman
`David Caine
`Alice Ho
`Victoria Reines
`Jeremy Cobb
`Daniel Reisner
`Matthew Wilk
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`Deborah.Fishman@arnoldporter.com
`David.Caine@arnoldporter.com
`Alice.Ho@arnoldporter.com
`Victoria.Reines@arnoldporter.com
`Jeremy.Cobb@arnoldporter.com
`Daniel.Reisner@arnoldporter.com
`Matthew.Wilk@arnoldporter.com
`RegeneronEyleaIPRs@arnoldporter.com
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`Dated: May 1, 2023
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`/ Lora M. Green /
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` Lora M. Green, Lead Counsel
` USPTO Reg. No. 43,541
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`-4-
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