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.

1456 firms · 10785 total appearances across 3673 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
The Rando Law Firm—11Patent Trial and Appeal Board (PTAB)(1)Lead Counsel
Manning Kass1—1Utah District Court(1)lead counsel
The Carver Law Firm1—1Utah District Court(1)lead counsel
Winthrop & Weinstine—11U.S. District Court for the Eastern District of Texas(1)local counsel
Partridge1—1U.S. District Court for the Eastern District of Texas(1)of counsel
Fenwick—11Delaware District Court(1)Associate
Pacific Trial Attorneys1—1Texas Eastern District Court(1)lead counsel
Van Hoven—11Patent Trial and Appeal Board (PTAB)(1)back-up counsel
Groombridge Wu1—1Patent Trial and Appeal Board (PTAB)(1)counsel for petitioner · counsel for petitioner (copy-addressee)
iFIT1—1Court of Appeals for the Federal Circuit (CAFC)(1)in-house counsel
Lenovo—11U.S. District Court for the Eastern District of Texas(1)in-house
TSMC—11U.S. District Court for the Eastern District of Texas(1)in-house
Westerman, Hattori, Daniels & Adrian—11U.S. International Trade Commission (USITC)(1)lead counsel · counsel
Clifford Chance US—11U.S. International Trade Commission (USITC)(1)lead counsel · counsel
The Scardino Law Firm1—1Patent Trial and Appeal Board (PTAB), U.S. Patent and Trademark Office(1)of counsel
Kearney, McWilliams & Davis—11Patent Trial and Appeal Board (PTAB)(1)of counsel
Bartlit Beck Herman Palenchar Scott—11U.S. District Court for the Northern District of Illinois(1)Partner · Associate
Weir Greenblatt Pierce—11Delaware District Court (D. Del.)(1)local counsel
Katz Law Firm1—1Delaware District Court (D. Del.)(1)Lead Counsel
Kramer1—1Texas Western District Court(1)Lead Counsel · Partner · Senior Associate