Counsel registry

Representatives

Law firms representing parties in tracked US patent litigation. Counts come from per-case “Plaintiff representatives” and “Defendant representatives” sections. A firm with multiple attorneys on one case counts as a single appearance per side. Click any column header to sort; defaults to total cases, descending.

1449 firms · 10730 total appearances across 3648 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
The Johnson IP Law Firm—11U.S. District Court for the District of Utah(1)of counsel
ATech Designs, Inc.—11Patent Trial and Appeal Board (PTAB)(1)Attorney for Patent Owner
Olson & Cepuritis1—1Patent Trial and Appeal Board (PTAB), United States Patent and Trademark Office(1)Lead Counsel
Leffler Law Firm1—1California Central District Court(1)lead counsel
Katz1—1Patent Trial and Appeal Board (PTAB)(1)attorney
Squire Patton Boggs1—1Texas Eastern District Court(1)Trial Lawyer
Rifkin Weiner Livingston1—1Texas Eastern District Court(1)Counsel
Glacier Law1—1Patent Trial and Appeal Board (PTAB)(1)Counsel
McAughan, De La Rosa & Cedillo—11U.S. District Court for the Eastern District of Texas(1)Lead/National Counsel
Thomas Combs & Spann—11U.S. District Court for the Northern District of West Virginia; U.S. Court of Appeals for the Federal Circuit; PTAB(1)local counsel
Schrader Companion Duff & Law—11U.S. District Court for the Northern District of West Virginia; U.S. Court of Appeals for the Federal Circuit; PTAB(1)local counsel
Bienert Katzman Littrell Williams1—1U.S. District Court for the Central District of California (transferred to N.D.W. Va.); U.S. Court of Appeals for the Federal Circuit(1)Local Counsel (initially in C.D. Cal.)
Bowles Rice—11U.S. District Court for the Central District of California (transferred to N.D.W. Va.); U.S. Court of Appeals for the Federal Circuit(1)local counsel
Hendrickson & Long—11U.S. District Court for the Central District of California (transferred to N.D.W. Va.); U.S. Court of Appeals for the Federal Circuit(1)intervenor counsel
Maynard Nexsen1—1Patent Trial and Appeal Board (PTAB)(1)attorney for plaintiff
Cohen IP Law Group—11Patent Trial and Appeal Board (PTAB)(1)Lead Counsel
Goldfarb—11Patent Trial and Appeal Board (PTAB)(1)Of Counsel
Fish IP Law—11Patent Trial and Appeal Board (PTAB)(1)counsel
WPAT1—1Delaware District Court(1)lead counsel
Aitken Law Offices1—1Delaware District Court(1)lead counsel