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.

1464 firms · 10820 total appearances across 3689 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Quirk & Tratos1—1U.S. District Court for the District of Nevada(1)lead trial / local counsel · local counsel
Collen Law Associates1—1U.S. District Court for the District of Nevada(1)outside/lead patent counsel
Collen IP Intellectual Property Law1—1U.S. District Court for the Southern District of New York; transferred to the U.S. District Court for the District of Massachusetts(1)of counsel
Seed and Berry—11U.S. District Court for the Southern District of New York; transferred to the U.S. District Court for the District of Massachusetts(1)counsel of record
Diserio Martin O'Connor & Castiglioni—11U.S. District Court for the Southern District of New York; transferred to the U.S. District Court for the District of Massachusetts(1)listed for Defendant
Green & Green—11U.S. District Court for the Southern District of Florida(1)corporate counsel
Richard M. Saccocio—11—counsel for defendant
Novak Druce + Quigg—11U.S. District Court for the Southern District of Florida(1)lead counsel
Patent Law Works1—1U.S. District Court for the Western District of Texas, Waco Division(1)prosecution counsel
Brooks & Kushman1—1U.S. District Court for the Northern District of California, San Francisco Division(1)lead counsel · co-counsel
Kasowitz, Benson, Torres & Friedman—11E.D. Tex.(1)lead counsel
Plunk Smith—11N.D. Tex.(1)local counsel
Bloom Sugarman—11U.S. District Court for the Northern District of Georgia(1)local counsel
Greenberg Gross / Brown Rudnick1—1U.S. District Court, Central District of California(1)California counsel
Slayden—11U.S. District Court for the Eastern District of Texas, Tyler Division(1)defendant counsel
Roth Law Firm—11U.S. District Court for the Eastern District of Texas, Tyler Division(1)local counsel
Brinks Hofer Gilson & Lione—11U.S. District Court for the District of Delaware(1)of counsel · lead trial counsel
Porter, Wright, Morris & Arthur—11U.S. District Court for the District of Delaware(1)of counsel
Baniak Pine & Gannon / McDonnell Boehnen Hulbert & Berghoff1—1U.S. District Court for the District of Delaware(1)lead counsel · of counsel
Howrey—11U.S. District Court for the District of Delaware(1)lead counsel · national co-counsel