1883 (46 & 47 Vict c 57) The Patents, Designs, and Trade Marks (Amendment) Act 1885 (48 & 49 Vict c 63) The Patents Act 1886 (49 & 50 Vict c 37) The Patents, Designs, and Trade Marks Act 1888 (51 & 52 Vict c 50) United States The term Patent Act may refer to United States patent law, as a whole, or to: Patent Act of 1790 Patent Act of 1793 Patent Act of 1836 Patent Act of 1922 Patent Act of 1870 Patent Act of 1952 Patent and Trademark Law Amendments Act of 1980 Patent Reform Act of 2005 (not enacted) Patent Reform Act of 2007 (not enacted) Patent Reform Act of 2009 (currently pending legislation) See also List of short titles References Act, Patent Lists of legislation by short title Patent legislation