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New Nintendo patent could ban creature summons in all games, as Palworld lawsuit continues

Player with summoned creature in Pokémon Legends: Z to A (Image source: screenshot, The Pokémon Company)
Player with summoned creature in Pokémon Legends: Z to A (Image source: screenshot, The Pokémon Company)
Nintendo frequently pursues high-profile claims of patent or copyright infringement. A new patent takes aim at the summoning and battling gameplay system used in Pokémon games. While the Palworld lawsuit focuses on monster-catching titles, creature pals aid players in many RPG titles.

As the case against Palworld unfolds, new Nintendo patents have surfaced that could affect hundreds of titles. The latest U.S.-based filing targets creature summoning and fighting game mechanics. Florian Mueller of Games Fray believes that any gameplay system with this sequence could be at risk of a patent infringement lawsuit.

Nintendo's Palworld lawsuit involves Japanese patents related to monster capture mechanics and how players mount rideable creatures. If successful, these features could become exclusive to Nintendo or The Pokémon Company games. Pocketpair has made changes to its title, but Nintendo continues to defend what it argues is its intellectual property.

Nintendo creature summoning patent (Image source: screenshot, Games Fray)
Nintendo creature summoning patent (Image source: screenshot, Games Fray)

The new U.S. patent no. 12,403,397 describes a familiar process for summoning a "sub character". Once called upon, this secondary character could engage in battle with enemies, either immediately or at a later time. The document opens the door for patent claims against any PC or console title with creatures or pets that assist players.

Unlike in previous instances, Nintendo's patent discussed by Mueller would only apply in the United States. Palworld's developer, Pocketpair, has its headquarters in Japan. That raises the question of whether the gaming giant will pursue patent law cases against other titles.

The goal of Nintendo's broad patents

It may seem ridiculous that Nintendo could own such common game mechanics. Some analysts believe that the company is trying to minimize further rivals to The Pokémon Company games. However, competitors with resources may not fear the wide-ranging U.S. or Japanese patents.

A prior Nintendo patent focuses on mount transition mechanics. The gameplay system exists in HoYoverse's upcoming Honka: Nexus Anima. Yet, the Chinese company could easily hire lawyers proficient in patent law. Once in court, judges may realize how overreaching Nintendo's patent is. Unfortunately, developers of indie games may not have the same ability to defend their work.

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> Expert Reviews and News on Laptops, Smartphones and Tech Innovations > News > News Archive > Newsarchive 2025 09 > New Nintendo patent could ban creature summons in all games, as Palworld lawsuit continues
Adam Corsetti, 2025-09-10 (Update: 2025-09-10)