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Agency history Past leaders of the USPTOTimeline to U.S. patent 10 millionMilestones in patent history75 Years of the Lanham Act Historical innovatorsImage Journeys of Innovation stories from the pastNational Inventors Hall of Fame inductees History initiatives Henry Baker's listThe search for the lost X-patentsNewsUSPTO to rename Public Search Facility after pioneering Black patent examiner Henry Baker A lawyer, assistant patent examiner, and civil rights activist, Henry E. Baker spent over three decades compiling hisLatest USPTO report finds a 32% increase in the number of U.S. counties where women patented between 1990 and 2019 The report pinpoints women inventor-patentees across U.S. counties, and examines growth over the 1990-2019 period to better understandUSPTO issues patent number 11,000,000 The United States Patent and Trademark Office (USPTO) today officially issued U.S. patent number 11 million, recognizing an Subscribe More news Featured storyRead about Johnny Pacheco and Fania Records for Hispanic Heritage Month Video Watch the special documentary short on a Baker's list inventor Director’s BlogHelp us search for the lost “X-patents” ResearchDiscover historic patents and trademarks at a library near you Sign up for alerts by emailSign up to receive announcements about our latest Journeys of Innovation stories. If you have any questions, or would like to submit any historical information to the USPTO, please email us.Email address (required)