1. “Must the collateral estoppel effect of an IPR be raised and litigated in the appeal of the IPR, rather than in the court in which estoppel is sought?” 2. “Should an IPR that violated the Appointments Clause of the Constitution be given collateral estoppel effect over a prior jury verdict?” 3. “Does using the outcome of an IPR to overturn a prior jury verdict of infringement and validity violate the Reexamination Clause of the Seventh Amendment?”
