The USPTO has issued final rules to implement the sections of the Leahy-Smith America Invents Act (AIA) that take effect on September 16, 2012. This Legal News Alert highlights some of the key provisions relating to an assignee’s ability to file and prosecute patent applications, changes to the inventor oath/declaration requirements, changes to reissue application practice, simplified procedures for correcting inventorship, the heightened importance of application data sheets, the elimination of “without deceptive intent” requirements, pre-issuance submissions by third parties, and supplemental examination by patent owners. For a review of the final rules governing the new patent trial proceedings (including inter partes review and post-grant review), please see the related Legal News Alert available here. For a review of pre-issuance submissions by third parties, and supplemental examination by patent owners, please see the related Legal News Alert available here.