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 · 10750 total appearances across 3658 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Tomlinson McKinstry—11Patent Trial and Appeal Board (PTAB) of the United States Patent and Trademark Office (USPTO)(1)Of Counsel · Director
Olson Stein1—1California Central District Court(1)local counsel
Machat & Associates1—1Texas Northern District Court(1)lead counsel
Zeisler1—1Texas Northern District Court(1)lead counsel
Davis, Gerald & Cremer1—1Patent Trial and Appeal Board (PTAB)(1)lead counsel
Tesla—11Texas Western District Court(1)in-house
Turner Boyd—11Delaware District Court(1)counsel
J. Zhang And Associates1—1California Central District Court(1)lead counsel
Steven L. Sugars1—1California Central District Court(1)local counsel
Maskell Law—11Patent Trial and Appeal Board (PTAB)(1)lead counsel
Tatonetti IP—11Patent Trial and Appeal Board (PTAB)(1)backup counsel
Lee Tran & Liang1—1U.S. District Court for the District of Delaware(1)lead counsel
Micron Technology—11U.S. District Court for the Eastern District of California(1)in-house
Mahtook & LaFleur—11Court of Appeals for the Federal Circuit(1)local counsel
Maier & Maier1—1Texas Eastern District Court(1)lead counsel
Patent Litigation Consulting1—1Western District of Texas(1)lead counsel
Carter Arnett Stahl + Cho Hernandez1—1Western District of Texas(1)local counsel
Ware, Jackson, Lee, O'Neill, Smith & Barrow—11Texas Western District Court(1)local counsel
Robert Mark—11Eastern District of Texas, Marshall Division(1)local counsel
Miller & Martin1—1Tennessee Eastern District Court(1)Local Counsel