Find a Patent Attorney
Every USPTO-registered patent practitioner in the United States.
Searchable directory of 53,446 active practitioners. Registered patent attorneys, patent agents, and limited recognition holders. Sourced directly from the USPTO Office of Enrollment and Discipline.
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52,025 practitioners across 54states & territories
California9,553Texas4,044New York3,822Illinois2,889Massachusetts2,869Virginia2,710District of Columbia2,661Pennsylvania1,907New Jersey1,692Ohio1,498Washington1,434Minnesota1,407Michigan1,381Florida1,335Maryland1,198North Carolina1,179Georgia1,139Colorado1,051Connecticut744Wisconsin729Arizona720Utah704Missouri670Indiana630Oregon556Tennessee380South Carolina332Delaware326Nevada227Oklahoma197New Hampshire196Louisiana194Iowa191Kansas185Kentucky184Alabama175Idaho152New Mexico132Nebraska87Maine67Arkansas63Rhode Island61West Virginia59Vermont55Hawaii50Montana38South Dakota30Mississippi28North Dakota26Puerto Rico24Wyoming23Alaska14U.S. Virgin Islands6Guam1