The US Patent & Trademark Office (PTO) is replacing the Precedential Opinion Panel Process with a revised interim Director Review (DR) process and Appeals Review Panel (ARP) process. The updated DR process includes allowing parties to request DR of Patent Trial & Appeal Board decisions on institution in America Invents Act (AIA) proceedings.
https://www.jdsupra.com/legalnews/rip-for-pop-pto-updates-interim-3181394/
https://www.jdsupra.com/legalnews/rip-for-pop-pto-updates-interim-3181394/