The Leahy-Smith America Invents Act is a #REDIRECT [[http://www.edegan.com/wiki/index.php/Patent_Reform#Legislation_Considered_in_Previous_Congressional_Sessions patent reform act] proposed in a previous congressional session. '''H.R.1249: Leahy Smith America Invents Act (2011)''' [http://www.uspto.gov/aia_implementation/bills-112hr1249enr.pdf] *A derivation proceeding is established to replace the interference proceeding currently employed by the USPTO**The purpose is to determine whether a claimed invention in an earlier filed application was derived from the later filed application*Transitions from First to Invent patent system to system where priority is given to first inventor to file a patent application*Patent Office itself can rule on egregious claims, throwing them out before defendants are forced to go through the pain and expense of a full trial [http://www.wired.com/2012/11/ff-steven-levy-the-patent-problem/]