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
Kelley Drye & Warren123Delaware District Court(1)U.S. District Court for the District of New Jersey(1)U.S. District Court for the Eastern District of Texas(1)counsel · lead counsel · of counsel
Troutman Pepper213U.S. District Court for the Eastern District of Texas(1)U.S. District Court for the Western District of Texas(1)U.S. District Court for the Western District of Texas, Waco Division(1)merits counsel · Lead Counsel · lead counsel
Law Office of T. John Ward, Jr.3—3U.S. District Court for the Eastern District of Texas(2)U.S. District Court for the Eastern District of Texas (Tyler Division)(1)local counsel · of counsel
Volpe & Koenig—33Patent Trial and Appeal Board (PTAB)(2)D. Del.(1)of counsel · counsel
Dickstein Shapiro3—3Court 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
Unified Patents Inc.3—3Patent 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
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
Hunton Andrews Kurth213U.S. District Court for the Eastern District of Texas(2)Patent Trial and Appeal Board (PTAB)(1)Of Counsel · Counsel · counsel
Law Office of Craig C. Reilly3—3Virginia Eastern District Court(2)U.S. District Court for the Eastern District of Virginia (Norfolk Division)(1)local counsel · Local Counsel
Slater Matsil3—3New York Southern District Court(1)Patent Trial and Appeal Board (PTAB)(1)Texas Eastern District Court(1)attorney · Of Counsel · Lead Counsel
Haug Partners213Patent Trial and Appeal Board (PTAB)(2)District of Delaware(1)of counsel · Lead Counsel · lead counsel
Belin McCormick—33U.S. District Court for the Southern District of Iowa(2)Kansas District Court(1)Counsel · local counsel · co-counsel
Weiss Arons213PTAB (Patent Trial and Appeal Board)(1)Texas Western District Court(1)lead counsel · back-up counsel · Lead Counsel
Honigman—33Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the District of Utah(1)U.S. District Court for the Eastern District of Michigan (Detroit); originally E.D. Tex.(1)local counsel · lead counsel · Counsel
Ross213California Central District Court(2)Patent Trial and Appeal Board (PTAB)(1)counsel · counsel of record · Counsel
Rivkin Radler3—3U.S. District Court for the District of New Jersey(2)Texas Eastern District Court(1)local counsel · supporting · Counsel
Wilentz, Goldman & Spitzer—33West Virginia Northern District Court(2)New Jersey District Court(1)counsel of record · local counsel · New Jersey counsel
McCaulley Law Group123Patent Trial and Appeal Board (PTAB)(2)U.S. District Court for the Eastern District of Texas(1)of counsel · Back-up Counsel · lead counsel