The 2011 America Invents Act provides U.S. patent owners and potential patent challengers with new options for review of issued patents. Challengers now have four administrative routes for invalidating issued patents and patent owners have four avenues for correcting an issued patent or preemptively addressing prior art before enforcement. Armstrong Teasdale Intellectual Property and Litigation Partner Jennifer Hoekel outlines post-issuance proceedings and the pros and cons of each in this presentation.