Does the Federal Circuit's use of Rule 36 to affirm without opinion PTAB invalidity determinations that are challenged based on pure questions of law violate a patentee's due process rights through arbitrary or disparately applied results?

QUESTIONS PRESENTED 1. Does the Federal Circuit’s use of Rule 36 to affirm without opinion PTAB invalidity determinations that are challenged based on pure questions of law violate a patentee’s due process rights through arbitrary or disparately applied results? 2. Did the Federal Circuit’s use of Rule 36 to affirm without opinion PTAB invalidity determinations of Virentem’s patents violate its due process rights? 3. Did the PTAB’s adoption, and Federal Circuit’s summary affirmance, of broad constructions of Time Scale Modification and other claim terms over Virentem’s explicit narrowing definitions, violate the Federal Circuit’s own law and precedents on claim construction in such circumstances? 4. Does the Federal Circuit’s use of Rule 36 to affirm without opinion decisions from the PTAB violate the requirement of 35 U.S.C. § 144 that the Federal Circuit “shall issue to the Director its mandate and opinion”?