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.

1280 firms · 7744 total appearances across 2683 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Winstead33Texas Western District Court(2)Texas Eastern District Court(1)Attorney · Shareholder · Associate
Kaufman & Canoles123U.S. District Court for the Eastern District of Virginia(3)local counsel · Local Counsel
Klemchuk123Texas Western District Court(2)United States District Court for the Western District of Michigan, Southern Division(1)Local Counsel · Of Counsel
Workman Nydegger213U.S. District Court for the District of Utah(3)local counsel · of counsel · Local Counsel
The Polasek Law Firm213Florida Middle District Court(2)U.S. District Court for the Eastern District of Texas, Marshall Division(1)Lead Counsel · Co-counsel · Counsel
Roth & Abraham Law Firm213Texas Eastern District Court(3)Counsel · Local Counsel
Davis, Cedillo & Mendoza33U.S. District Court for the Northern District of California(2)U.S. District Court for the Eastern District of Texas(1)local counsel · counsel · Local Counsel
ArentFox Schiff123District of Massachusetts(1)U.S. District Court for the Eastern District of Texas(1)U.S. District Court for the Eastern District of Virginia, Norfolk Division(1)counsel · Lead Counsel · lead counsel
Schneider Rothman Intellectual Property Law Group213District of Arizona(1)Southern District of Florida(1)lead counsel · Counsel · of counsel
SRIPLAW33Northern District of Georgia(2)Central District of California(1)Lead Counsel · Local Counsel · lead counsel
Beard St. Clair Gaffney213United States District Court for the District of Idaho(2)local counsel · counsel of record
Baker & Hostetler33District of Delaware(1)District of Delaware, U.S. Court of Appeals for the Federal Circuit (CAFC)(1)U.S. District Court for the Eastern District of Texas(1)lead counsel · of counsel · local counsel
Nix Patterson33U.S. District Court for the Eastern District of Texas(3)lead or co-counsel · Lead Trial Counsel · Lead Counsel
Volpe & Koenig33Patent Trial and Appeal Board (PTAB)(2)D. Del.(1)of counsel · counsel
Banie & Ishimoto213California Central District Court(1)U.S. District Court(1)U.S. District Court for the Eastern District of Texas(1)lead counsel · counsel · Counsel
Dickstein Shapiro33Court of Appeals for the Federal Circuit(1)New York Southern District Court(1)U.S. District Court for the Eastern District of Virginia(1)Of Counsel · pro hac vice · Trial Counsel
Feinberg Day Alberti & Thompson213U.S. District Court for the Eastern District of Virginia(2)U.S. District Court(1)lead counsel · Counsel · of counsel
Unified Patents Inc.33Patent Trial and Appeal Board (PTAB)(3)in-house · in-house counsel · Senior Patent Counsel
Blank Rome213Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)U.S. District Court for the District of Delaware(1)Counsel · of counsel · lead counsel
Shumaker, Loop & Kendrick123U.S. Court of Appeals for the Federal Circuit (CAFC)(1)U.S. District Court for the Northern District of Ohio(1)U.S. District Court for the Western District of North Carolina(1)Lead Counsel · Of Counsel · Associate
Samsung Electronics US IP Center123U.S. District Court for the Eastern District of Texas(2)Patent Trial and Appeal Board (PTAB)(1)in-house
Lane Powell213U.S. District Court for the Western District of Washington(2)local counsel
Smith, Gambrell & Russell123California Southern District Court(1)Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Northern District of Ohio(1)counsel · Counsel · lead counsel
Debevoise & Plimpton33Texas Eastern District Court(3)Lead Counsel · counsel · Counsel
Allen Gardner Law123Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)Local Counsel · Attorney