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Case number 1:24-cv-00053

Regeneron Pharmaceuticals, Inc. v. Celltrion, Inc. > Summary

Court Case Number 1:24-cv-00053

Filing Date May 17, 2024

Termination Date Oct 21, 2025

Court West Virginia Northern District Court

Status Unknown

Appeal2024-1965

JudgesThomas S. Kleeh, Thomas S. Kleeh

Plaintiff

Regeneron Pharmaceuticals

Defendant

Celltrion

Plaintiff Attorneys

72

Regeneron Pharmaceuticals
Attorney Name: Adam Pan
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Alyssa J. Picard
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Andrew E. Goldsmith
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Andrew V. Trask
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Anish R. Desai
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Arthur J. Argall III
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Christopher M. Pepe
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: David I. Berl
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: David R. Pogue
Carey Douglas Kessler & Ruby PLLC

Regeneron Pharmaceuticals
Attorney Name: Elizabeth S. Weiswasser
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Ellen E. Oberwetter
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Evan T. Leo
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Grace W. Knofczynski
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Jacob E. Hartman
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Jennalee Beazley
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Jennifer Brooks Crozier
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Kathryn S. Kayali
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Kathryn E. Leicht
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Kellie C. Van Beck
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Mary Charlotte Y. Carroll
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Matthew D. Sieger
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Natalie Carol Kennedy
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Priyata Y. Patel
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Raymond S. Franks II
Carey Douglas Kessler & Ruby PLLC

Regeneron Pharmaceuticals
Attorney Name: Rhochelle Krawetz
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Rocco J. Recce
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Shaun P. Mahaffy
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Steven R. Ruby
Carey Douglas Kessler & Ruby PLLC

Regeneron Pharmaceuticals
Attorney Name: Sven Eric Henningson III
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Teagan J. Gregory
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Thomas S. Fletcher
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Tom Yu
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Zhen Lin
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Haylee Bernal Anderson
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Renee M. Griffin
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Yi Zhang
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Adam Pan
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Alyssa J. Picard
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Andrew E. Goldsmith
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Andrew V. Trask
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Arthur J. Argall III
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Christopher M. Pepe
Paul Weiss Rifkind Wharton & Garrison

Regeneron Pharmaceuticals
Attorney Name: David I. Berl
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: David R. Pogue
Carey Douglas Kessler & Ruby PLLC

Regeneron Pharmaceuticals
Attorney Name: Elizabeth S. Weiswasser
Paul Weiss Rifkind Wharton & Garrison

Regeneron Pharmaceuticals
Attorney Name: Ellen E. Oberwetter
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Evan T. Leo
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Grace W. Knofczynski
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Jacob E. Hartman
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Jennalee Beazley
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Kathryn S. Kayali
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Mary Charlotte Y. Carroll
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Priyata Y. Patel
Paul Weiss Rifkind Wharton & Garrison

Regeneron Pharmaceuticals
Attorney Name: Raymond S. Franks II
Carey Douglas Kessler & Ruby PLLC

Regeneron Pharmaceuticals
Attorney Name: Rhochelle Krawetz
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Shaun P. Mahaffy
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Steven R. Ruby
Carey Douglas Kessler & Ruby PLLC

Regeneron Pharmaceuticals
Attorney Name: Sven Eric Henningson III
Kellogg, Hansen, Todd, Figel & Frederick

Regeneron Pharmaceuticals
Attorney Name: Teagan J. Gregory
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Thomas S. Fletcher
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Anish R. Desai
Paul Weiss Rifkind Wharton & Garrison

Regeneron Pharmaceuticals
Attorney Name: Haylee Bernal Anderson
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Jennifer Brooks Crozier
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Kathryn E. Leicht
Paul Weiss Rifkind Wharton & Garrison

Regeneron Pharmaceuticals
Attorney Name: Kellie C. Van Beck
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Matthew D. Sieger
Paul Weiss Rifkind Wharton & Garrison

Regeneron Pharmaceuticals
Attorney Name: Natalie Carol Kennedy
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Renee M. Griffin
Williams & Connolly

Regeneron Pharmaceuticals
Attorney Name: Rocco J. Recce
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Tom Yu
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Yi Zhang
Weil, Gotshal & Manges

Regeneron Pharmaceuticals
Attorney Name: Zhen Lin
Weil, Gotshal & Manges

Defendant Attorneys

16

Celltrion
Attorney Name: Max C. Gottlieb
Hissam Forman Donovan Ritchie PLLC

Celltrion
Attorney Name: Andrew C. Robey
Hissam Forman Donovan Ritchie PLLC

Celltrion
Attorney Name: Aviv Zalcenstein
Gemini Law LLP

Celltrion
Attorney Name: Brigid M. Morris
Gemini Law LLP

Celltrion
Attorney Name: Kyle Musgrove
Gemini Law LLP

Celltrion
Attorney Name: Carl Winfield Shaffer
Hissam Forman Donovan Ritchie PLLC

Celltrion
Attorney Name: Cindy Chang
Gemini Law LLP

Celltrion
Attorney Name: Dan Constantinescu
Willkie Farr & Gallagher

Celltrion
Attorney Name: David Kim
Gemini Law LLP

Celltrion
Attorney Name: Lora M. Green
Gemini Law LLP

Celltrion
Attorney Name: Matthew Freimuth
Willkie Farr & Gallagher

Celltrion
Attorney Name: Michael Cottler
Gemini Law LLP

Celltrion
Attorney Name: Michael B. Hissam
Hissam Forman Donovan Ritchie PLLC

Celltrion
Attorney Name: Michael W. Johnson
Gemini Law LLP

Celltrion
Attorney Name: Ocean Lu
Willkie Farr & Gallagher

Celltrion
Attorney Name: Robert Cerwinski
Gemini Law LLP

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