Here is an update on recent en banc activity at the Federal Circuit in patent cases. Highlights include new petitions filed in three cases raising questions related to standing, obviousness, and eligibility; a new invitation for a response in a case raising questions related to obviousness; two new amicus briefs in cases raising questions related to claim construction, joinder, and deference to Precedential Opinion Panels; and the denial of seven petitions raising questions related to claim construction, eligibility, novelty, non-obviousness, and the Appointments Clause. Here are the details.