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.

1243 firms · 7317 total appearances across 2526 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Birnbaum & Godkin2—2Massachusetts District Court(2)Local Counsel
Widerman Malek—22Florida Northern District Court(1)Florida Southern District Court(1)local counsel · Lead Counsel · Back-Up Counsel
FisherBroyles—22Arizona District Court(1)International Trade Commission(1)lead counsel · Lead Attorney
Rayburn Cooper & Durham2—2Judicial Panel on Multidistrict Litigation, transferred to Eastern District of Texas(1)Washington Eastern District Court(1)lead counsel · of counsel · Local/Co-Counsel
Riley Safer Holmes & Cancila—22U.S. District Court for the Eastern District of Texas(2)lead counsel · of counsel · Pro Hac Vice Counsel
Graves Dougherty Hearon & Moody—22Texas Eastern District Court(1)Local Counsel · lead counsel · counsel
Caldwell2—2United States District Court for the District of Massachusetts(2)Counsel · lead counsel
Schulte Roth & Zabel2—2Texas Eastern District Court(2)counsel · Counsel · lead counsel
Capshaw & Associates112Texas Eastern District Court(1)U.S. District Court for the Western District of Texas(1)Local Counsel · Lead Counsel
Hahn Loeser & Parks112California Northern District Court(1)U.S. District Court for the District of Massachusetts(1)of counsel · Lead Counsel
Kelley Drye & Warren—22U.S. District Court for the District of New Jersey(1)U.S. District Court for the Eastern District of Texas(1)of counsel · lead counsel · Special Counsel
Carella Byrne Cecchi Brody & Agnello—22New Jersey District Court(2)Local Counsel · local counsel
Lawfair112Delaware District Court(1)United States District Court for the Eastern District of Virginia; U.S. Court of Appeals for the Federal Circuit (CAFC).(1)Lead Counsel · lead counsel
Troutman Pepper112U.S. District Court for the Eastern District of Texas(1)U.S. District Court for the Western District of Texas(1)Lead Counsel · lead counsel
Seed IP Law Group—22Patent Trial and Appeal Board (PTAB)(1)U.S. District Court for the Northern District of Georgia(1)counsel · Local Counsel · lead counsel
Ostrolenk Faber—22U.S. District Court for the Northern District of California(1)U.S. District Court for the Northern District of Georgia(1)lead counsel · counsel · Lead Counsel
Mann Law112Patent Trial and Appeal Board (PTAB)(2)counsel · local counsel
Robins, Kaplan, Miller & Ciresi2—2California Northern District Court(1)U.S. District Court for the District of Delaware(1)lead counsel · of counsel
Law Office of T. John Ward, Jr.2—2U.S. District Court for the Eastern District of Texas(2)local counsel
Fee, Smith & Sharp2—2U.S. District Court for the Eastern District of Texas(2)of counsel
The Cooper Law Group2—2U.S. District Court for the Eastern District of Texas(2)Counsel · Lead Counsel
Brann & Isaacson112Texas Eastern District Court(1)U.S. District Court for the District of Delaware(1)counsel · trial counsel · lead counsel
Microsoft Corporation112U.S. Court of Appeals for the Federal Circuit(1)U.S. District Court for the Eastern District of Texas(1)Associate General Counsel · of counsel
D'Annunzio & D'Annunzio2—2D. Del.(2)Lead Counsel · counsel
Phillips, McLaughlin & Hall112D. Del.(1)Delaware District Court(1)local counsel · Local Counsel