Source: U.S. Patent and Trademark Office
Release: U.S. Granted Patents by States, Territories, and Countries
Patent origin is determined by the residence of the first-named inventor.
Total is the sum of utility, plant, design, and reissue patents granted.
See PTMT Products and Services Brochure and Types of patent applications and proceedings for more information.
U.S. Patent and Trademark Office, U.S. Granted Patents: Total Patents Originating in Iowa [PATENTUSIATOTAL], retrieved from FRED, Federal Reserve Bank of St. Louis; https://fred.stlouisfed.org/series/PATENTUSIATOTAL, June 4, 2023.