Show I Patent Office Wa Was Es Established abl shed j July ly 4 1 1836 Article I section 8 of the Constitution Constitution Constitution of ot the United States provided that congress shall h have ve power to promote the progress of science and the useful arts by securing for limited limited limited lim lim- times to authors and inventors the exclusive rights to their respective respective respective tive writings and discoveries The first act of ot congress passed April 10 1790 placed the granting of patents patents pat pat- cats in the hands of the secretary of state the secretary of war and the attorney general Thomas Jefferson Jefferson Jefferson Jef Jef- Jef- Jef ferson as secretary of ot state per per- examined ned many petitions for tor patents By act net of July 4 1836 the patent office was established under under un IDl- un- un der a n commissioner of patents and the general outline of the patent law fixed When the department of ot the interior was established by act of at March 3 1849 the patent om office olliee e was transferred to its jurisdiction On April 1 1925 it was by executive order of President Coolidge transferred transferred trans trans- to the tho department of com corn merce |