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  "path": "/nintendos-legal-fight-with-palworld-suffers-a-reversal-as-the-uspto-reject-their-patent-on-character-summoning-battle-mechanics",
  "publishedAt": "2026-04-01T18:00:22.000Z",
  "site": "https://www.rockpapershotgun.com",
  "tags": [
    "PS4",
    "Action Adventure",
    "PS5",
    "Single Player",
    "Indie",
    "Multiplayer Cooperative",
    "Xbox Series X/S",
    "MMORPG",
    "copyright",
    "Nintendo",
    "Palworld",
    "patent infringement",
    "RPG",
    "Shooter",
    "Hack & Slash",
    "Third person",
    "Multiplayer Competitive",
    "PC",
    "Xbox One",
    "Pocketpair",
    "Read more"
  ],
  "textContent": "Nintendo's efforts to patent the idea of summoning a videogame character and letting it fight another character have suffered a significant reversal in the USA, even as the Mario makers continue a copyright infringement lawsuit against Palworld developers Pocketpair in Japan. The United States Patent and Trademark Office has now revoked the character-summoning patent in question, though their decision is \"non-final\". Nintendo have two months to respond and argue their case.\n\nRead more",
  "title": "Nintendo's legal fight with Palworld suffers a reversal as the USPTO reject their patent on character-summoning battle mechanics"
}