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.

1465 firms · 10853 total appearances across 3705 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Naman Howell Smith & Lee112Texas Western District Court(2)pro hac vice attorney · local counsel
Villegas & Cefo2—2California Northern District Court(1)U.S. District Court, Northern District of California (San Jose Division)(1)Partner · Counsel · Attorney of Record
Marton Ribera Schumann & Chang112California Northern District Court(1)Patent Trial and Appeal Board (PTAB)(1)back-up counsel · lead counsel
TechKnowledge Law Group—22Eastern District of Texas(1)N.D. Cal.(1)lead national patent counsel · lead counsel
Mintz Levin2—2Patent Trial and Appeal Board(1)U.S. Court of Appeals for the Federal Circuit(1)co-counsel
Lamkin IP Defense—22C.D. Cal.(1)U.S. District Court for the Central District of California(1)lead counsel
Howrey Simon Arnold & White112U.S. District Court, Southern District of California(1)United States District Court for the Northern District of California(1)counsel of record · lead briefing attorney · lead trial counsel
Francis Law Office2—2Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Eastern District of Kentucky(1)local counsel
Hodgson Russ—22United States District Court for the Western District of New York(1)W.D.N.Y.(1)local counsel
McKool Smith Hennigan2—2U.S. District Court for the Northern District of California (San Francisco)(1)U.S. District Court, Central District of California(1)local counsel
O'Hagan Meyer—22U.S. Court of Appeals for the Federal Circuit(1)U.S. District Court for the Eastern District of Virginia (Norfolk Division)(1)local counsel
Orrick—22U.S. Court of Appeals for the Federal Circuit(1)U.S. International Trade Commission(1)district court counsel
USPTO Office of the Solicitor—22U.S. Court of Appeals for the Federal Circuit(2)counsel of record · counsel on brief · government appellate counsel
Kaliko & Associates2—2D. Delaware(1)E.D. Texas (Marshall Division)(1)co-counsel · lead counsel
Cruser, Mitchell, Novitz, Sanchez, Gaston & Zimet2—2Patent Trial and Appeal Board (USPTO)(1)U.S. District Court for the District of New Jersey(1)local counsel · lead counsel
Kramer Alberti112Patent Trial and Appeal Board (PTAB)(2)plaintiff-side counsel · lead counsel · back-up counsel
Blank, Rome, Comisky & McCauley112United States District Court for the District of Delaware(1)United States District Court for the Northern District of California(1)local counsel
Bingham McCutchen112United States District Court for the District of Delaware, transferred to United States District Court for the Northern District of California(1)United States District Court for the Eastern District of Texas, Marshall Division(1)counsel · lead counsel
Law Office of Philip Swain2—2PTAB (IPR)(1)U.S. District Court for the District of Massachusetts(1)local counsel
Morris, James, Hitchens & Williams112U.S. District Court for the District of Delaware(1)U.S. District Court for the District of Delaware (Judge Joseph J. Farnan, Jr.)(1)local counsel · lead local counsel