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.

1448 firms · 10708 total appearances across 3641 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Samsung Electronics134U.S. District Court for the Eastern District of Texas(3)Patent Trial and Appeal Board (PTAB)(1)in-house · Principal Legal 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
Shumaker, Loop & Kendrick224U.S. District Court for the Western District of North Carolina(2)U.S. Court of Appeals for the Federal Circuit (CAFC)(1)U.S. District Court for the Northern District of Ohio(1)Lead Counsel · Of Counsel · Associate
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
Insight4—4C.D. Cal.(3)U.S. District Court for the Central District of California(1)local 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
FisherBroyles224Arizona District Court(1)International Trade Commission(1)U.S. District Court for the Western District of Washington(1)lead counsel · Lead Attorney · counsel for plaintiffs
Hawley Troxell Ennis & Hawley224Idaho District Court(2)District Court of the Fourth Judicial District, Ada County, Idaho; removed to D. Idaho and remanded to Idaho state court(1)U.S. Court of Appeals for the Federal Circuit(1)local 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
Steckler Wayne & Love224U.S. District Court for the Eastern District of Texas(2)U.S. District Court for the Eastern District of Texas, Marshall Division(1)U.S. District Court for the Northern District of Texas(1)local counsel · Local Counsel · Counsel of Record
Siebman, Burg, Phillips & Smith—44Texas Eastern District Court(3)USPTO Patent Trial and Appeal Board(1)local counsel · Local Counsel
Austin Hansley4—4Texas Eastern District Court(4)lead counsel · Local Counsel · counsel
Spangler Law4—4Texas Eastern District Court(3)E.D. Tex.(1)local counsel · lead counsel · of counsel
Panitch Schwarze Belisario & Nadel224Delaware District Court(2)U.S. District Court for the Eastern District of Pennsylvania(1)Counsel · Local Counsel · lead counsel
Ireland, Carroll & Kelley314U.S. District Court for the Eastern District of Texas (Tyler Division)(2)United States District Court for the Eastern District of Texas(2)local counsel
Global IP Law Group4—4Texas Western District Court(2)U.S. District Court for the Eastern District of Texas(1)U.S. District Court for the Northern District of Illinois, Eastern Division(1)Lead Counsel · lead counsel · local counsel
Bracewell—44Texas Eastern District Court(1)Utah District Court(1)W.D. Tex.(1)lead counsel · counsel · of counsel
Thorpe North & Western134Utah District Court(2)Court of Appeals for the Federal Circuit (CAFC)(1)lead counsel · counsel · Counsel
Gray Reed & McGraw224Texas Eastern District Court(4)counsel · lead counsel · local counsel
The Zimmerman Firm224Texas Eastern District Court(2)Patent Trial and Appeal Board(1)Texas Western District Court(1)lead counsel · Lead Counsel · Counsel