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.

1449 firms · 10650 total appearances across 3618 cases with counsel data.

FirmPlaintiffDefendantTotalTop courtsTop roles
Scott Douglass & McConnico32225Texas Western District Court(17)U.S. District Court for the Western District of Texas, Waco Division(3)PTAB(1)local counsel · Local Counsel · counsel
Kaufman & Canoles19524U.S. District Court for the Eastern District of Virginia(9)Patent Trial and Appeal Board (PTAB)(5)U.S. District Court, Eastern District of Virginia (Alexandria Division; transferred to Norfolk Division)(4)local counsel · lead counsel · Local Counsel
DLA Piper (US)61824Eastern District of Texas(4)Texas Western District Court(4)Reported inconsistently: California Eastern District Court and Northern District of California(3)lead counsel · Lead Counsel · Counsel
Jackson Walker61824U.S. District Court for the Western District of Texas(6)Texas Eastern District Court(5)Patent Trial and Appeal Board (PTAB)(4)counsel · local counsel · Counsel
Faegre Drinker Biddle & Reath61824Delaware District Court(7)USPTO Patent Trial and Appeal Board(4)U.S. District Court for the District of Delaware (Judge Richard G. Andrews); transferred to U.S. District Court for the Southern District of New York (Judge Analisa Torres)(3)lead counsel · counsel · local counsel
Wood Herron & Evans24—24Texas Eastern District Court(10)Arizona District Court(2)Florida Northern District Court(2)lead counsel · of counsel · Of Counsel
MoloLamken121224Patent Trial and Appeal Board (PTAB)(10)U.S. Court of Appeals for the Federal Circuit(5)California Central District Court(1)appellate counsel · counsel · of counsel
Direction IP Law24—24U.S. District Court for the Eastern District of Texas(14)Texas Western District Court(4)E.D. Tex.(2)lead counsel · of counsel · Lead Counsel
Cahill Gordon & Reindel131023U.S. Patent and Trademark Office, Patent Trial and Appeal Board(8)U.S. Court of Appeals for the Federal Circuit(4)Delaware District Court(2)lead counsel · backup counsel · Lead Counsel
Truelove Law Firm17623Texas Eastern District Court(15)Patent Trial and Appeal Board (PTAB)(5)District Court, E.D. Texas(1)local counsel · Local Counsel · Counsel
Avantech Law17623Patent Trial and Appeal Board (PTAB)(7)Texas Eastern District Court(7)Delaware District Court(5)lead counsel · counsel · Attorney for Plaintiff (District Court Litigation)
Merchant & Gould91423Wisconsin Eastern District Court(6)Patent Trial and Appeal Board (PTAB)(5)U.S. District Court for the Eastern District of Texas(3)lead counsel · counsel · of counsel
Morris James61723U.S. District Court for the District of Delaware(18)Court of Appeals for the Federal Circuit(1)D. Del.(1)local counsel · Local Counsel · counsel
McGuireWoods71623Patent Trial and Appeal Board(6)Virginia Eastern District Court(4)Texas Eastern District Court(3)local counsel · lead counsel · Counsel
The Mort Law Firm18523Texas Eastern District Court(6)U.S. District Court for the Western District of Texas(6)Patent Trial and Appeal Board (PTAB)(4)local counsel · of counsel · lead counsel
DiNovo Price18422U.S. District Court for the Western District of Texas(9)Texas Eastern District Court(7)Patent Trial and Appeal Board (PTAB)(2)lead counsel · Lead Counsel · counsel
Folio Law Group18422Texas Eastern District Court(6)Patent Trial and Appeal Board (PTAB)(4)California Central District Court(3)Lead Counsel · Counsel · counsel
WilmerHale71522U.S. District Court for the Western District of Texas(5)Patent Trial and Appeal Board (PTAB)(3)U.S. Court of Appeals for the Federal Circuit(3)lead counsel · Counsel · appellate counsel
The Davis Firm111021Patent Trial and Appeal Board (PTAB)(7)U.S. District Court for the Eastern District of Texas(7)Texas Western District Court(2)local counsel · lead counsel · counsel
Buether Joe & Counselors19221U.S. District Court for the Western District of Texas(11)Texas Eastern District Court(4)Delaware District Court(2)lead counsel · local counsel · of counsel