DCT

1:25-cv-00074

Regeneron Pharma Inc v. Amgen Inc

General

Filed

07/31/25

Cause of ActionPatent Infringement

SectorBiotech

StatusOpen

Patent Owner

Operating Company

PACER

Nature of Suit830 Patent

Judge	Period	PO Win Rate
Thomas S. Kleeh	07/31/25 - now	75%

Plaintiff

Party

Name	Ratings
Regeneron Pharmaceuticals Inc	L3 E

No Parties

Attorney

Name	Ratings
Williams & Connolly LLP	L4 C
David I. Berl	L5 C
Thomas S. Fletcher	L4 B
Andrew V. Trask	L3 C
Ellen E. Oberwetter	L2 A
Shaun P. Mahaffy	L2 B
Kathryn Kayali	L2 C
Adam Pan	L2 C
Arthur Argall, III	L2 E
Teagan J. Gregory	L1 C
Jennalee Beazley	L1 C
Rhochelle Krawetz	L1 C
Christian Gladden-Sorensen	-- -- --
Chorong Song	-- -- --
Paul Weiss Rifkind Wharton Garrison LLP	L3 C
Elizabeth Weiswasser	L5 A
Christopher Pepe	L2 B
Priyata Patel	L1 B
Kellogg Huber Hansen Todd Evans Figel PLLC	L2 C
Jacob Hartman	L1 C
Andrew Goldsmith	L1 C
Grace W. Knofczynski	L1 C
Mary C. Y. Carroll	L1 C
Sven E. Henningson, III	L1 C
Alyssa J. Picard	L1 D
Umhofer Mitchell & King LLPLocal	-- -- --
Matthew D. Umhofer	-- -- --
Margaret E. Dayton	-- -- --

No Attorneys

Defendant

Party

Name	Ratings
Amgen USA Inc	L5 A

No Parties

Attorney

Name	Ratings
Marshall Gerstein & Borun LLP	L3 A
Kevin M. Flowers	L4 A
John R. Labbe	L3 A
Thomas R. Burns	L1 D
Rothwell Figg Ernst & Manbeck	L3 C
E. Anthony Figg	L4 E
Jennifer Nock	L3 A
Joseph A. Hynds	L3 B
Brett Postal	L1 B
Amgen Inc	L2 C
Wendy A. Whiteford	L4 A
Chanson Chang	L3 B
Pauline M. Pelletier	L1 B
Eric Agovino	L1 B
Cravath Swaine & Moore LLP	L2 C
Jesse M. Weiss	-- -- --
Timothy G. Cameron	-- -- --
Olson Stein LLPLocal	-- -- --
David M. Stein	-- -- --
Bowles Rice McDavid Graff & Love LLPLocal	-- -- --
Stuart A. McMillan	-- -- --
Kaitlyn N. McKitrick	-- -- --

No Attorneys