"According to a new Games Fray report, the new head of the United States Patent and Trademark Office (USPTO), John A. Squires, has ordered a reexamination of Nintendo's Patent No. 12,403,397. Filed in January 2023, granted to Nintendo in September 2025, and dubbed the '397 patent, the listing is oftentimes oversimplified to "summoning characters and making them fight." It's for this reason that Squires's office is seeking to determine if such a feature is even patentable."
""I have determined that substantial new questions of patentability have arisen as to claims 1, 13, 25, and 26 of U.S. Patent No. 12,403,397 B2 (the '397 patent')," Squires wrote in his order, citing two older applications filed by Konami in 2002 (Yabe) and Nintendo in 2019 (Taura) as justification for the patent's reexamination. "Thus, a reasonable examiner would consider each of Yabe and Taura to be important in deciding whether the claims are patentable,""
John A. Squires, head of the USPTO, ordered reexamination of U.S. Patent No. 12,403,397, filed January 2023 and granted in September 2025. The '397 patent is often summarized as summoning characters to fight but its claims concern more specific mechanics. Squires cited two older applications—Konami's Yabe (2002) and Nintendo's Taura (2019)—and determined they raise substantial new questions of patentability for claims 1, 13, 25, and 26. Konami's Yabe describes a sub-character battling automatically or manually, and Taura refers to similar mechanics. The reexamination challenges the patent's broad coverage of auto-battle features.
Read at GameSpot
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