In June, the Supreme Court of the United States issued its highly anticipated decision in United States v. Arthrex, which decision had the potential to upend the patent litigation landscape in the United States. United States v. Arthrex, 594 U.S. ___ (2021). But the outcome was less sensational than that—rather than topple the Patent Trial and Appeals Board (PTAB) and its patent invalidation proceedings that have become a centerpiece of modern patent litigation, the Supreme Court preserved the PTAB and its administrative patent judges' (APJs) decisions in inter partes review (IPR) proceedings, albeit by first finding the prior unreviewable authority of APJs unconstitutional, and then by modifying the regime with another layer of review vested in the Director of the U.S. Patent and Trademark Office (USPTO).