H.R. 6621, officially titled An Act To correct and improve certain provisions of the Leahy-Smith America Invents Act and title 35, United States Code was signed into law by President Obama on January 14, 2013 and, for the most part, the provisions of the law are now effective.

Professor Joshua Sarnoff (DePaul) highlights a set of important problems in the Leahy-Smith America Invents Act.

President Barack Obama signs the America Invents Act on September 16, 2011.