Find a Patent Attorney
Every USPTO-registered patent practitioner in the United States.
Searchable directory of 53,710 active practitioners — registered patent attorneys, patent agents, and limited recognition holders. Sourced directly from the USPTO Office of Enrollment and Discipline.
Browse by state
52,291 practitioners across 54states & territories
California9,567Texas4,046New York3,856Illinois2,917Massachusetts2,875Virginia2,705District of Columbia2,699Pennsylvania1,920New Jersey1,699Ohio1,500Washington1,446Minnesota1,421Michigan1,393Florida1,341Maryland1,200North Carolina1,193Georgia1,143Colorado1,050Connecticut752Arizona731Wisconsin724Utah706Missouri666Indiana630Oregon568Tennessee394South Carolina330Delaware324Nevada226New Hampshire206Oklahoma203Louisiana202Iowa191Kansas184Kentucky184Alabama171Idaho151New Mexico132Nebraska95Rhode Island69Maine66Arkansas62West Virginia58Vermont55Hawaii50Montana39South Dakota30Mississippi28North Dakota26Puerto Rico24Wyoming23Alaska14U.S. Virgin Islands5Guam1