Editing Interference proceeding (section)

== Leahy-Smith America Invents Act ==
On September 16, 2011, President Obama signed the Leahy-Smith America Invents Act into law.  Part of the Act changed the U.S. patent system from a first-to-invent system to a first-to-file system.<ref>{{Cite web |url=http://www.uspto.gov/aia_implementation/bills-112hr1249enr.pdf |title=Archived copy |access-date=2011-09-27 |archive-date=2011-10-15 |archive-url=https://web.archive.org/web/20111015051906/http://www.uspto.gov/aia_implementation/bills-112hr1249enr.pdf |url-status=dead }}</ref>  As such, interference proceedings for any patent application with an effective filing date on or after March 16, 2013, were eliminated from U.S. patent law.<ref>http://www.uspto.gov/aia_implementation/aia-effective-dates.pdf {{Bare URL PDF|date=March 2022}}</ref>  [[Derivation proceeding]]s are replacing interference proceedings in the patent statutes, but the dispute surrounding a derivation proceeding is unrelated to that of an interference proceeding.