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.

1242 firms · 7315 total appearances across 2525 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
McDonnell Boehnen Hulbert & Berghoff314District Court for the District of Delaware(4)Lead Counsel · lead counsel · of counsel
Armond Wilson224Texas Eastern District Court(2)Delaware District Court(1)Patent Trial and Appeal Board (PTAB)(1)lead counsel · Likely Lead Counsel · Lead Counsel
Locke Lord—44Texas Eastern District Court(2)Eastern District of Texas, Marshall Division(1)U.S. District Court for the Western District of Texas(1)lead counsel · counsel · of counsel
Pearl Cohen Zedek Latzer Baratz134District of Delaware, U.S. Court of Appeals for the Federal Circuit (CAFC)(2)Court of Appeals for the Federal Circuit(1)District of Delaware(1)Lead Counsel · Counsel for Defendants · counsel
Hill, Kertscher & Wharton134Patent Trial and Appeal Board (PTAB)(2)U.S. District Court for the Northern District of Georgia(1)United States Court of Appeals for the Federal Circuit(1)Lead Counsel · local counsel · lead counsel
Hogan Lovells US134Patent Trial and Appeal Board (PTAB) of the USPTO(1)Texas(1)U.S. District Court for the Eastern District of Texas(1)Attorney for Defendant · lead counsel · counsel
Ward & Smith Law Firm4—4Texas Eastern District Court(4)Local Counsel · local counsel
Goldstein & Russell4—4Virginia Eastern District Court(2)U.S. Court of Appeals for the Federal Circuit(1)U.S. District Court for the District of Delaware(1)local counsel · appellate counsel · arguing counsel
Leydig, Voit & Mayer224U.S. District Court for the Eastern District of Texas(2)U.S. District Court for the Northern District of West Virginia; U.S. Court of Appeals for the Federal Circuit; PTAB(1)U.S. District Court for the Western District of Washington(1)lead counsel · Counsel
Lee & Hayes—44Delaware District Court(1)Patent Trial and Appeal Board (PTAB)(1)Texas Western District Court(1)Back-Up Counsel · lead counsel · of counsel
The Dacus Law Firm134U.S. District Court for the Eastern District of Texas(3)Patent Trial and Appeal Board (PTAB)(1)local counsel · Lead Counsel
Rakoczy Molino Mazzochi Siwik134Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Eastern District of Texas, Marshall Division(1)U.S. District Court for the Northern District of Illinois(1)lead counsel · counsel · Back-Up Counsel
MT2 Law Group314United States District Court for the Eastern District of Texas(3)U.S. District Court for the Eastern District of Texas (Lufkin Division)(1)lead counsel · Local Counsel · local counsel
Banner Witcoff224PTAB(2)U.S. District Court for the Eastern District of Missouri(1)U.S. District Court for the Northern District of Ohio(1)lead counsel · of counsel · Counsel
Rubino Law224Patent Trial and Appeal Board (PTAB)(2)US District Court for the Eastern District of Texas(2)Counsel · Lead Counsel · counsel
Wolf Greenfield224Patent Trial and Appeal Board (PTAB)(2)International Trade Commission(1)Shareholder · Lead Counsel · Associate
Dentons Davis Brown—44Southern District of Iowa(3)U.S. District Court for the Western District of Wisconsin(1)Counsel · counsel
Simon Law Firm4—4Kansas District Court(2)Missouri Western District Court(1)U.S. District Court for the Southern District of Iowa(1)lead counsel · Lead Attorney
Meunier Carlin & Curfman134Patent Trial and Appeal Board (PTAB)(3)U.S. District Court for the District of Delaware(1)counsel · Of Counsel · Counsel for Patent Owner
Quarles & Brady134Arizona District Court(2)Patent Trial and Appeal Board (PTAB)(1)Wisconsin Eastern District Court(1)local counsel · Counsel · lead counsel
Farella Braun + Martel224Patent Trial and Appeal Board (PTAB)(1)Texas Western District Court(1)U.S. District Court for the Eastern District of Texas(1)Lead Counsel · lead counsel
Steptoe & Johnson224Texas Eastern District Court(2)California Northern District Court(1)U.S. District Court for the Northern District of West Virginia; U.S. Court of Appeals for the Federal Circuit(1)Counsel · local counsel · Appearing Counsel
Foley Hoag—44Patent Trial and Appeal Board (PTAB)(4)Lead Counsel · Counsel · Back-up Counsel
Greene Espel314Minnesota District Court(2)Patent Trial and Appeal Board (PTAB)(1)Local Counsel · Attorney · local counsel
Wilson, Robertson & Vandeventer224Texas Eastern District Court(3)Local Counsel · lead counsel · local counsel