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.

1448 firms · 10731 total appearances across 3649 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Merck Sharp & Dohme LLC112New Jersey District Court(1)PTAB (Patent Trial and Appeal Board)(1)in-house · Back-up Counsel (In-house)
Wilks Law112District Court for the District of Delaware(1)U.S. Patent and Trademark Office (PTAB)(1)Local Counsel
Bernstein IP Strategy112Patent Trial and Appeal Board (PTAB)(2)counsel · Counsel
RatnerPrestia112D. Del.(1)Delaware District Court(1)Local Counsel · counsel of record · lead trial counsel
Choate Hall & Stewart112Massachusetts District Court(1)U.S. District Court for the District of Delaware(1)Local Counsel · lead counsel
Nelson Mullins Riley & Scarborough2—2Massachusetts District Court(1)North Carolina Western District Court(1)Local Counsel
Simpson Thacher & Bartlett112U.S. District Court for the Eastern District of Texas, Marshall Division(1)Lead Counsel · lead counsel
Law Office of Craig C. Reilly2—2U.S. District Court for the Eastern District of Virginia (Norfolk Division)(1)Virginia Eastern District Court(1)Local Counsel · local counsel
Dacus Firm—22Texas Western District Court(1)U.S. District Court for the Eastern District of Texas(1)Local Counsel for Defendant · local counsel
Warner Norcross + Judd2—2Michigan Western District Court(2)Counsel
Offor Evans112U.S. District Court for the Eastern District of Texas(1)USPTO Patent Trial and Appeal Board(1)Counsel · back-up counsel; counsel of record · counsel of record
Zuber Lawler112U.S. District Court for the Central District of California.(1)USPTO Patent Trial and Appeal Board.(1)Counsel · Lead Counsel · Back-up Counsel
Neal, Gerber & Eisenberg112Texas Eastern District Court(1)U.S. District Court for the Western District of Texas(1)Counsel · lead counsel
Dell Technologies—22Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Western District of Texas(1)in-house · Senior Litigation Counsel for IP Matters · Legal Director, IP
Roth & Abraham—22United States Patent and Trademark Office, Patent Trial and Appeal Board(2)Likely counsel · Counsel
Samsung Electronics America112Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Eastern District of Texas(1)in-house
Clark Hill—22Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Eastern District of Texas(1)counsel · Lead Counsel
Progress2—2U.S. District Court for the Southern District of New York(2)Special Counsel · Lead Counsel · Counsel
King & Wood Mallesons2—2Patent Trial and Appeal Board (PTAB)(1)counsel · Counsel · lead counsel
Lee Sullivan Shea & Smith112Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the District of Delaware(1)attorney · back-up counsel · lead counsel