“Whether the Patent and Trademark Office’s delegation of authority to Commissioner Hirshfeld to review final decisions of the Patent Trial and Appeal Board during a vacancy in the Director’s office violates the Federal Vacancies Reform Act.”
“Whether 35 U.S.C. § 311(b)’s restriction ‘only on a ground that could be raised under section 102 or 103’ permits IPR challenges that depend solely on compliance with the written description requirement of section 112.”