Three pending cases have the potential to reshape – or even eliminate – inter partes review, a procedure for challenging patent validity introduced by the 2011 America Invents Act (“AIA”).  On November 27, the Supreme Court will hear oral argument in two of those cases.  In Oil States Energy Services, LLC v. Greene’s Energy Group,…

Allergan’s assignment of the patents on one of its blockbuster drugs to an American Indian tribe in an attempt to dismiss a USPTO inter partes review (IPR) proceeding on “tribal sovereign immunity” grounds has shaken up the patent bar – with some dismissing this as, at most, a temporary loophole and others saying “why didn’t…