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`UNITED STATES PATENT AND TRADEMARK OFFICE
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`_________________________
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`BEFORE THE PATENT TRIAL AND APPEAL BOARD
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`_________________________
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`SAMSUNG BIOEPIS CO., LTD.,
`Petitioner,
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`v.
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`REGENERON PHARMACEUTICALS, INC.,
`Patent Owner.
`_________________________
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`Case IPR2023-00884
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`U.S. Patent No. 11,253,572
`_________________________
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`PETITIONER’S AMENDED POWER OF ATTORNEY
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`Pursuant to 37 C.F.R. § 42.10, Petitioner Samsung Bioepis Co., Ltd. hereby
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`amends its power of attorney to add attorneys Zachariah Summers, Sarah M. Cork,
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`and Elliot Choi as back-up counsel to transact all business before the Patent Trial &
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`Appeal Board of the U.S. Patent and Trademark Office associated with the above-
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`captioned Inter Partes Review of U.S. Patent No. 11,253,572:
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`Lead Counsel
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`Backup Counsel
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`Raymond N. Nimrod (Reg. No. 31,987)
`QUINN EMANUEL URQUHART
` & SULLIVAN, LLP
`51 Madison Ave., 22nd Floor
`New York, NY 10010
`General Tel: (212) 849-7000
`Direct Tel: (212) 849-7322
`Fax: (212) 849-7100
`raynimrod@quinnemanuel.com
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`Matthew A. Traupman (Reg. No.
`50,832)
`Elliot Choi (pro hac vice to be applied
`for)
`QUINN EMANUEL URQUHART
` & SULLIVAN, LLP
`51 Madison Ave., 22nd Floor
`New York, NY 10010
`General Tel: (212) 849-7000
`Direct Tel: (212) 849-7322
`Fax: (212) 849-7100
`matthewtraupman@quinnemanuel.com
`elliotchoi@quinnemanuel.com
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`Zachariah Summers (pro hac vice to be
`applied for)
`Sarah Cork (pro hac vice to be applied
`for)
`QUINN EMANUEL URQUHART
` & SULLIVAN, LLP
`865 S. Figueroa St., 10th Floor
`Los Angeles, California 90017
`General Tel: (213) 443-3000
`Fax: (213) 443-3100
`zachsummers@quinnemanuel.com
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`Landon Andrew Smith (Reg. No.
`79,248)
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`1
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`QUINN EMANUEL URQUHART
` & SULLIVAN, LLP
`300 W. 6th Street
`Austin, TX 78701
`Tel: (737) 667-6100
`Fax: (737) 667-6110
`landonsmith@quinnemanuel.com
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`2
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`The individual signing below has the authority to execute this document on
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`behalf of Petitioner. Jungwook
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`Executive Vice President
`Samsung Bioepis Co., Ltd.
`76, Songdogyoyuk-ro, Yeonsu-gu,
`Incheon 21987, Republic of Korea
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`CERTIFICATE OF SERVICE
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`The undersigned certifies that a copy of the foregoing Petitioner’s Power of Attorney
`Pursuant to 37 C.F.R. § 42.10(b) was served on December 20, 2023, to the following
`Counsel for Petitioner via email to Regeneron-MoFo-IPR@mofo.com.
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`DATED: December 20, 2023
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`Respectfully submitted,
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`By /Raymond N. Nimrod/
`Raymond N. Nimrod (Reg. No. 31,987)
`raynimrod@quinnemanuel.com
`QUINN EMANUEL URQUHART
` & SULLIVAN, LLP
`51 Madison Ave., 22nd Floor
`New York, NY 10010
`Tel: (212) 849-7000
`Fax: (212) 849-7100
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`4
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