The Leahy-Smith America Invents Act: A Preliminary Examination of its Impact on Small Businesses. Josh Lerner, June 2015, Paper. “The Leahy-Smith America Invents Act of 2011 (AIA) was enacted into law on Sept. 16, 2011. Section 3 of the AIA amended U.S. patent law by changing the “first-to-invent” (FTI) system to a “first-inventor-to-file” (FITF) system, arguably the most substantive change in U.S. patent law since the Patent Act of 1952. Cognizant of the potential economic effects of this change, Congress mandated in AIA that the Small Business Administration (SBA) conduct a study of the impact of the law…Link