In its first en banc decision of 2018, the Federal Circuit held that “judicial review is available for a patent owner to challenge the U.S. Patent and Trademark Office’s determination that the petitioner satisfied the timeliness requirement of 35 U.S.C. § 315(b) governing the filing of petitions for inter partes review.” Wi-Fi One v. Broadcom (Fed. Cir. 2018) (en banc). The 9-4 decision overruled a contrary conclusion in Achates Reference Publishing v. Apple.