Leahy-Smith America Invents Act

[AI summary unavailable — showing source text] America Invents Act - Amends federal patent law to define the "effective filing date" of a claimed invention as the actual filing date of the patent or the application for patent containing a claim to the invention (thus replacing the current first-to-invent system), except as specified. Establishes a one-year grace period (a prior art exception) for inventors to file an application after certain disclosures of the claimed invention by the inventor or another who obtained the subject matter from the inventor. Revises provisions concerning novelty and nonobvious subject matter. Sets forth derived patent provisions. Replaces: (1) interference proceedings with derivation proceedings, and (2) the Board of Patent Appeals and Interferences with the Patent Trial and Appeal Board (the Board). Modifies the earlier inventor to file defense to infringement. Allows a person who is not the patent owner to request to cancel as unpatentable one or more claims of patent by filing a petition with the U.S. Patent and Trademark Office (USPTO) to institute: (1) post-grant review on any ground that could be raised under specified provisions relating to invalidity of the patent or any claim, a…