Here is an update on recent en banc activity at the Federal Circuit in patent cases. The court received two new petitions raising questions related to assignments of patents and the non-obviousness requirement. The court also invited responses to petitions in two cases concerning the standard of review of Patent Trial and Appeal Board decisions and assignments of patents. Lastly, the court denied a petition for rehearing en banc in a case raising questions related to Appointments Clause challenges with respect to Administrative Patent Judges of the Patent Trial and Appeal Board. Here are the details.