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
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
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
Osborn Maledon224Arizona District Court(3)local counsel · Local Counsel
Kroub, Silbersher & Kolmykov224PTAB(2)Texas Western District Court(1)U.S. District Court for the Eastern District of Texas(1)Partner · Counsel for Patent Owner · Counsel of Record
Weintraub Tobin Chediak Coleman Grodin314California Northern District Court(2)Patent Trial and Appeal Board (PTAB)(1)United States District Court, Northern District of California, San Jose Division(1)counsel · lead counsel · Attorney for Plaintiff
Willkie Farr & Gallagher224California Central District Court(1)District of New Jersey(1)Ohio Southern District Court(1)lead counsel · of counsel · Lead Counsel
Hatch Law134California Northern District Court(2)California Central District Court(1)United States District Court, District of Nevada(1)counsel · Counsel
Dentons US134Texas Eastern District Court(3)Lead Counsel · Partner · Local Counsel
Altima Advisors Attorneys314United States District Court for the Western District of Texas(3)Patent Trial and Appeal Board (PTAB)(1)Lead Counsel · Attorney · Attorney of record
Clement & Murphy4—4U.S. Court of Appeals for the Federal Circuit(2)U.S. District Court for the Eastern District of Virginia, Norfolk Division(1)United States District Court for the Eastern District of Virginia; U.S. Court of Appeals for the Federal Circuit (CAFC).(1)appellate counsel · Of Counsel · Appellate Counsel
PV Law224Patent Trial and Appeal Board (PTAB)(2)Texas Eastern District Court(2)of counsel · lead counsel · Founding Partner, Counsel of Record
Ortiz & Lopez4—4Illinois Northern District Court(2)California Northern District Court(1)Texas Eastern District Court(1)lead counsel
George, Brothers, Kincaid & Horton123Court of Appeals for the Federal Circuit(1)Texas Western District Court(1)U.S. District Court for the Western District of Texas, Austin Division(1)Local Counsel · local counsel
Greer, Burns & Crain3—3Illinois Northern District Court(3)Counsel · lead counsel · of counsel
GrayRobinson213Court of Appeals for the Federal Circuit(1)Southern District of Florida(1)U.S. District Court for the Southern District of Florida, Miami Division(1)Counsel · local counsel
Glaser Weil Fink Howard Avchen & Shapiro3—3Court of Appeals for the Federal Circuit(2)Texas Eastern District Court(1)Of Counsel · of counsel · Of Counsel / Local Counsel
Cleary Gottlieb Steen & Hamilton—33Court of Appeals for the Federal Circuit(1)Patent Trial and Appeal Board (PTAB)(1)Texas Western District Court(1)Practitioner for Patent Owner (GoSecure, Inc.) before the PTAB · Lead Counsel · Counsel
Fitch, Even, Tabin & Flannery3—3Court of Appeals for the Federal Circuit(1)Texas Western District Court(1)Washington Western District Court(1)counsel · lead counsel
Dunlap Bennett & Ludwig3—3Texas Western District Court(1)U.S. District Court for the Eastern District of Texas(1)Lead Counsel · of counsel · Of Counsel
The Tadlock Law Firm3—3Texas Eastern District Court(2)U.S. District Court for the Western District of Texas(1)of counsel · Lead Counsel · counsel
Siebman, Burg, Phillips & Smith—33Texas Eastern District Court(3)local counsel · Local Counsel