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
Jackson Walker61723Texas Eastern District Court(5)U.S. District Court for the Western District of Texas(5)Patent Trial and Appeal Board (PTAB)(4)counsel · local counsel · Counsel
Devlin Law Firm21223Texas Western District Court(5)U.S. District Court for the District of Delaware(4)Patent Trial and Appeal Board (PTAB)(3)lead counsel · counsel · Counsel
Kramer Levin Naftalis & Frankel16622U.S. District Court for the District of Delaware(4)U.S. District Court for the Eastern District of Texas(4)USPTO Patent Trial and Appeal Board (PTAB)(4)Lead Counsel · lead counsel · Of Counsel
Rozier Hardt McDonough18422Texas Eastern District Court(12)Texas Western District Court(4)U.S. District Court for the District of Massachusetts(2)lead counsel · Lead Counsel · local counsel
Avantech Law16622Patent Trial and Appeal Board (PTAB)(7)Texas Eastern District Court(7)Delaware District Court(5)lead counsel · counsel · Attorney for Plaintiff (District Court Litigation)
Robins Kaplan13922Patent Trial and Appeal Board (PTAB)(8)Texas Eastern District Court(7)United States District Court for the Eastern District of Texas, Marshall Division(3)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
Mann | Tindel | Thompson111021Texas Eastern District Court(14)U.S. District Court for the Western District of Texas(5)California Southern District Court(1)local counsel · lead counsel · Local Counsel
Arnold & Porter Kaye Scholer81321Patent Trial and Appeal Board (PTAB)(8)California Northern District Court(2)U.S. District Court for the Eastern District of Texas(2)Counsel · lead counsel · of counsel
Norton Rose Fulbright US71320Patent Trial and Appeal Board(6)Court of Appeals for the Federal Circuit(4)Texas Western District Court(4)counsel · Counsel · Back-Up Counsel
Wolf, Greenfield & Sacks71320Patent Trial and Appeal Board (PTAB)(7)Massachusetts District Court(3)Texas Eastern District Court(3)counsel · lead counsel · Counsel
The Stafford Davis Firm20—20Texas Eastern District Court(13)U.S. District Court for the Western District of Texas(7)local counsel · Of Counsel · of counsel
Walsh Pizzi O'Reilly Falanga16420New Jersey District Court(13)Patent Trial and Appeal Board (PTAB)(3)U.S. District Court in New Jersey(1)local counsel · Local Counsel · Counsel
Folio Law Group15419Texas Eastern District Court(6)Patent Trial and Appeal Board (PTAB)(4)California Central District Court(3)Lead Counsel · Counsel · counsel
DiNovo Price16319U.S. District Court for the Western District of Texas(8)Texas Eastern District Court(7)Patent Trial and Appeal Board (PTAB)(1)lead counsel · Lead Counsel · Counsel
Reichman Jorgensen Lehman & Feldberg14519Texas Western District Court(7)Patent Trial and Appeal Board (PTAB)(4)U.S. District Court for the Eastern District of Texas(3)Counsel · lead counsel · counsel
Truelove Law Firm13619Texas Eastern District Court(13)Patent Trial and Appeal Board (PTAB)(4)District Court, E.D. Texas(1)local counsel · Local Counsel · Counsel
Bayard15419United States District Court for the District of Delaware(13)District of Delaware; U.S. Court of Appeals for the Federal Circuit; U.S. Supreme Court(2)Patent Trial and Appeal Board (PTAB)(2)local counsel · Local Counsel · counsel
Direction IP Law18—18Texas Eastern District Court(10)Texas Western District Court(4)U.S. District Court for the District of Delaware(2)lead counsel · of counsel · Lead Counsel
Polsinelli81018Patent Trial and Appeal Board (PTAB)(5)Texas Eastern District Court(5)California Southern District Court(1)Lead Counsel · lead counsel · Counsel
Sheppard, Mullin, Richter & Hampton81018Patent Trial and Appeal Board (PTAB)(5)Delaware District Court(4)Eastern District of Texas(2)lead counsel · Counsel · counsel
Smith, Katzenstein & Jenkins71118U.S. District Court for the District of Delaware(14)Patent Trial and Appeal Board (PTAB)(3)U.S. Court of Appeals for the Federal Circuit(1)local counsel · Local Counsel
Skiermont Derby9918Patent Trial and Appeal Board (PTAB)(5)District of Delaware(2)Illinois Northern District Court(2)Counsel · counsel · lead counsel
Haltom & Doan41418Texas Eastern District Court(10)Patent Trial and Appeal Board (PTAB)(1)Texas(1)Local Counsel · local counsel · Counsel
Nixon Peabody81018Patent Trial and Appeal Board (PTAB)(7)Michigan Western District Court(2)Texas Western District Court(2)Counsel · Counsel for Petitioner · lead counsel