Search Results for: Phillip Chambers


Mar 2019

To Petition or Not to Petition: The Role of Statutory Estoppel on Later Patent Challenges

By Phillip Chambers & Peter Schechter When the America Invents Act (AIA) implemented post-grant proceedings for challenging patents in the United States in 2012, petitioners faced the risk that the AIA’s estoppel provisions could preclude subsequent validity challenges and defenses after unsuccessful proceedings.  For several years now, trial courts have been analyzing and defining the scope and extent that the AIA estoppel provisions limit or…

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