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USPTO Denies Nintendo's Pokémon Patent Claims

April 1, 2026 at 11:30
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✦ AI Summary
  • USPTO rejects Nintendo's 'summon character' Pokémon patent
  • Controversy arises over patent validity among IP experts
  • Nintendo may appeal the ruling in ongoing litigation

The United States Patent and Trademark Office (USPTO) has rejected Nintendo's contentious patent for its 'summon character and let it fight' mechanic, amid ongoing criticisms from intellectual property lawyers. This decision follows a reexamination order issued in November due to concerns over the patent's legitimacy.

Critics argue that the patent, which embodies the core gameplay of Pokémon—summoning creatures to battle—overlaps significantly with mechanics used in various other games, such as Persona and Digimon. The rejection cited prior art, including earlier patent applications by Nintendo, Konami, and Bandai Namco, calling into question the originality of the claims.

While this ruling is non-final and Nintendo may still appeal, it adds another layer to the ongoing legal battle surrounding the game developer and Pocketpair's Palworld.

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