https://www.rockpapershotgun.com/feedThis is a feed of the latest articles from Rock Paper Shotgun.enCopyright (c) Rock Paper Shotgun a brand of IGN Entertainment, Inc.Thu, 16 Apr 2026 14:12:37 +0000https://www.rockpapershotgun.com/nintendos-legal-fight-with-palworld-suffers-a-reversal-as-the-uspto-reject-their-patent-on-character-summoning-battle-mechanicsEdwin Evans-ThirlwellWed, 01 Apr 2026 18:00:22 +0000https://www.rockpapershotgun.com/nintendos-legal-fight-with-palworld-suffers-a-reversal-as-the-uspto-reject-their-patent-on-character-summoning-battle-mechanicsSingle PlayercopyrightMultiplayer CompetitivePCMultiplayer CooperativePS5ShooterPS4Xbox Series X/SPalworldXbox OneNintendoPocketpairRPGThird personIndieHack & SlashAction Adventurepatent infringementMMORPG<img src="https://assetsio.gnwcdn.com/palworld-update2-1.jpg?width=690&quality=85&format=jpg&auto=webp" /> <p>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 <a href="https://www.rockpapershotgun.com/games/palworld">Palworld</a> 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.</p> <p><a href="https://www.rockpapershotgun.com/nintendos-legal-fight-with-palworld-suffers-a-reversal-as-the-uspto-reject-their-patent-on-character-summoning-battle-mechanics">Read more</a></p>