Commentary about the Supreme Court\u27s 2021 decision in United States v. Arthrex, Inc. has focused on the nexus between patent and administrative law. But this overlooks the decision\u27s seismic and as-yet unappreciated implication for copyright law: Arthrex renders the Copyright Royalty Board ( CRB ) unconstitutional. The CRB has suffered constitutional challenge since its 2004 inception, but these were seemingly resolved in 2011 when the D.C. Circuit held that the CRB\u27s composition did not offend the Appointments Clause as long as Copyright Royalty Judges ( CRJs ) were removable atwill. But when the Court invalidated the selection process for administrative patent judges on a similar theory in Arthrex, it also rejected the D.C. Circu...