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 · 10835 total appearances across 3697 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Clifford Chance—11E.D. Mich. (Southern Division, Judge Robert H. Cleland)(1)defense counsel · lead trial counsel
Carr & Ferrell1—1United States Court of Federal Claims(1)lead counsel
U.S. Department of Justice, Civil Division, Commercial Litigation Branch—11United States Court of Federal Claims(1)lead counsel · of counsel
Madigan, Dahl & Harlan—11U.S. District Court for the District of Minnesota, District Judge Nancy E. Brasel; Magistrate Judge David T. Schultz(1)local counsel
HPL Intellectual Property Law—11U.S. District Court for the District of Delaware, Judge Jennifer L. Hall(1)lead counsel
VGC1—1U.S. District Court for the Central District of California(1)lead counsel
Connor Lee & Shumaker1—1United States District Court for the Eastern District of Texas(1)lead counsel · co-counsel
Law Offices of Steven D. Urban1—1United States District Court for the Eastern District of Texas(1)co-counsel
Ascenda Law Group—11U.S. Patent and Trademark Office, Patent Trial and Appeal Board(1)lead counsel · back-up counsel
Kramer Levin / HSF Kramer1—1U.S. District Court for the Eastern District of Virginia(1)lead trial counsel
Schrader, Byrd & Companion1—1U.S. District Court for the District of Delaware(1)local counsel
The Law Office of Jason B. Lattimore1—1U.S. District Court for the District of New Jersey(1)lead counsel
Kwun Bhansali Lazarus—11U.S. District Court, Northern District of California (San Jose Division)(1)counsel · lead counsel
The Blakeslee Law Firm—11U.S. International Trade Commission, Section 337(1)lead counsel
Proctor Heyman & Enerio—11U.S. District Court for the District of Delaware(1)lead counsel
Davis+Gilbert—11D. Del. (Judge Noreika)(1)lead counsel
McCutchen, Doyle, Brown & Enersen—11U.S. District Court for the Northern District of California (San Francisco)(1)trial counsel · lead counsel
Cohen, Milstein, Hausfeld & Toll1—1U.S. District Court for the District of Columbia(1)lead counsel · co-lead counsel
Haverstock, Medlen & Carroll—11U.S. District Court for the Northern District of California(1)local counsel
Schwartz & Posnock—11U.S. District Court for the Northern District of California(1)local counsel