My main objective is directed at institutional questions, to help the PTO and Congress as each considers changes to the system and to gauge how well the PTAB could function to ameliorate the effect of Federal Circuit isolation and provide a basis for the court to consider new perspectives, write more persuasively, and provide better guidance. A second goal is to draw greater academic attention to the potential these procedures have for changing the patent system and to provoke discussion—outside the emerging PTAB bar—on how they ought to operate. In particular, the statute layers inter partes review in a specialized agency under appellate review in a specialized court. I offer some thoughts on how authority over patent jurisprudence should ...