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 · 10768 total appearances across 3665 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Mahtook & LaFleur—11Court of Appeals for the Federal Circuit(1)local counsel
Micron Technology—11U.S. District Court for the Eastern District of California(1)in-house
Lee Tran & Liang1—1U.S. District Court for the District of Delaware(1)lead counsel
Tatonetti IP—11Patent Trial and Appeal Board (PTAB)(1)backup counsel
Maskell Law—11Patent Trial and Appeal Board (PTAB)(1)lead counsel
Steven L. Sugars1—1California Central District Court(1)local counsel
J. Zhang And Associates1—1California Central District Court(1)lead counsel
Turner Boyd—11Delaware District Court(1)counsel
Tesla—11Texas Western District Court(1)in-house
Davis, Gerald & Cremer1—1Patent Trial and Appeal Board (PTAB)(1)lead counsel
Zeisler1—1Texas Northern District Court(1)lead counsel
Machat & Associates1—1Texas Northern District Court(1)lead counsel
Olson Stein1—1California Central District Court(1)local counsel
Tomlinson McKinstry—11Patent Trial and Appeal Board (PTAB) of the United States Patent and Trademark Office (USPTO)(1)Of Counsel · Director
Consovoy McCarthy1—1U.S. Court of Appeals for the Federal Circuit (CAFC)(1)counsel of record
Vaishnav & Kanumuri—11Patent Trial and Appeal Board (PTAB)(1)Counsel
TCL Communication—11California Central District Court(1)In-house counsel
DeCotiis, FitzPatrick, Cole & Giblin—11United States District Court for the Eastern District of Virginia; U.S. Court of Appeals for the Federal Circuit (CAFC).(1)trial counsel
Herbert Smith Freehills1—1United States District Court for the Eastern District of Virginia; U.S. Court of Appeals for the Federal Circuit (CAFC).(1)Counsel of record
Irvin Feurich Law Corporation1—1California Central District Court(1)local counsel