Quick wins for a faster PC:
Scan for outdated or missing drivers - takes under a minuteDriver Scan →Repair Windows errors before they cause bigger problemsFix Now →Fix the driver behind crashes, sound loss and screen glitchesFind Drivers →The case is about specific patent claims and Palworld’s alleged implementations—not ownership of the general idea of battling creatures. It could create uncertainty and legal costs for game developers, but the available record does not establish a new industry-wide rule or show that broad gameplay concepts have been monopolized.
Why are Nintendo and The Pokémon Company suing Palworld?
Nintendo announced that it and The Pokémon Company filed a patent-infringement suit against Palworld developer Pocketpair in the Tokyo District Court on September 18, 2024. Nintendo said the complaint alleged infringement of multiple patent rights and sought an injunction and damages. That announcement describes the plaintiffs’ allegations; it is not a court finding that Palworld infringed.
| # | Preview | Product | Price | |
|---|---|---|---|---|
| 1 |
|
Pokémon Pokopia - Nintendo Switch 2 | $69.00 | Buy on Amazon |
| 2 |
|
Pokémon Legends: Arceus - US Version | $54.25 | Buy on Amazon |
| 3 |
![Pokémon FireRed Version Standard - Nintendo Switch [Digital Code]](https://m.media-amazon.com/images/I/413QNFueWML._SL160_.jpg)
|
Pokémon FireRed Version Standard - Nintendo Switch [Digital Code] | $19.99 | Buy on Amazon |
| 4 |
|
Pokemon Shining Pearl - Nintendo Switch Shining Pearl Edition | $52.49 | Buy on Amazon |
Nintendo’s announcement did not identify the patents. Pocketpair later named three Japanese patents in its account of the complaint: 7545191, 7493117 and 7528390. It reported that the plaintiffs sought to stop Palworld’s alleged infringement and requested 5 million yen plus late-payment damages from Pocketpair for each plaintiff. Those are amounts the defendant said were sought, not damages awarded by a court.
What the three patent dates do—and do not—show
Pocketpair said Palworld was released on January 19, 2024, and gave the following application and registration dates for the patents it identified:
#1 Best Overall
- Shape the world and build a cozy new life with Pokémon as a Ditto transformed to look like a human.
- Use other Pokémon’s moves, like Bulbasaur’s Leafage, to revitalize and navigate the world around you.
- Meet and befriend more Pokémon as you help nature flourish.
- Gather materials to create items and furniture, till the fields to grow delicious crops, build homes for the Pokémon you meet, and more—there’s so much to do!
- Experience a world with varied weather, real-time days and nights, and other surprises.
| Japanese patent | Application date | Registration date |
|---|---|---|
| 7545191 | July 30, 2024 | August 27, 2024 |
| 7493117 | February 26, 2024 | May 22, 2024 |
| 7528390 | March 5, 2024 | July 26, 2024 |
All three application dates came after the game’s release. That chronology alone does not establish whether the patents are valid or whether the game infringes them. Those questions depend on the patent claims, the relevant legal standards and the evidence considered in the proceedings. Pocketpair’s November 2024 report is the source for the patent numbers, dates and its description of the requested relief.
What could a patent cover in a video game?
A patent does not automatically grant exclusive control over a broad theme such as catching creatures, summoning characters or making them fight. The relevant comparison is between the wording of a particular patent claim and the way a game implements the claimed system or method. A claim may concern a specific sequence of actions, interface behavior or interaction between game systems; its scope cannot be inferred just from a headline or a loose description of a mechanic.
That distinction is important in this dispute. Coverage of a related U.S. patent describes claims directed to a particular implementation of a summoned-character battle system, not a blanket right over creature battles as a genre. The Japanese complaint must be assessed against the Japanese patents Pocketpair identified, rather than assumed to rise or fall with every later U.S. filing.
Rank #2
- Action meets RPG in this new take on the Pokémon series
- Study Pokémon behaviors, sneak up on them, and toss a well-aimed Poké Ball to catch them
- Unleash moves in the speedy agile style or the powerful strong style in battles
- Travel to the Hisui region—the Sinnoh of old—and build the region’s first Pokédex
- Learn about the Mythical Pokémon Arceus, the key to this mysterious tale
Why developers pay attention even before a final ruling
- Claim scope can be difficult to assess from the outside. A game may share a visible mechanic with another title while differing in the details that matter to a patent claim.
- Jurisdiction matters. A patent’s status and the available legal procedures vary by country. A decision by the U.S. Patent and Trademark Office (USPTO) does not itself decide a Japanese court case.
- Procedural status matters. A granted patent, a pending application and a nonfinal rejection are not interchangeable legal statuses.
- Litigation itself can be costly. Even without a final judgment, responding to a patent suit can require substantial legal work and may add uncertainty to development or release plans. The cited sources do not quantify industry-wide costs or the number of studios affected.
In a 2024 interview reported by PC Gamer, intellectual-property attorney Kirk Sigmon described how claims in later divisional or continuation filings can become more tailored to a particular assertion: “As you go through this process and file divisionals, continuations, whatever, you are drafting claims that are more and more tailored towards assertion.” That is his explanation of a patent-filing process, not evidence of Nintendo’s motive in any specific filing. PC Gamer’s report identifies Sigmon as an IP attorney.
Crashes, No Sound, or Screen Glitches?
Random freezes, missing sound and display glitches usually trace back to one bad driver. Find and replace yours safely.Free scan · under a minuteWindows Errors? Fix Them Before They Spread
Repair common Windows errors and clear accumulated junk for a smoother, more stable PC - no reinstall needed.Free scan · no reinstallHow do the U.S. patent proceedings relate to the Japanese lawsuit?
They are separate proceedings. Nintendo has received U.S. patents in a family connected to the Japanese dispute, but U.S. prosecution activity does not determine the outcome of the Tokyo case. The European Commission Intellectual Property Helpdesk reported that the USPTO granted Nintendo patent 12,179,111 in December 2024 and patent 12,220,638 in February 2025. It described them as covering systems for capturing creatures in a virtual environment.
The same Helpdesk report described a separate application, 18/652,883, concerning seamless real-time switching between mounts. In December 2024, the USPTO rejected 32 of its 33 claims, with one claim eligible to be pursued separately; Nintendo’s attorney requested an examiner interview in February 2025. That account concerns examination of an application, not a court judgment and not one of the three Japanese patents Pocketpair named as asserted. The Helpdesk’s July 2025 update provides those details.
Rank #3
- Set off on a grand adventure to become the Pokémon League Champion—now on Nintendo Switch!
- Celebrate 30 years of Pokémon with this Nintendo Switch version* of the Pokémon FireRed Version game originally released on the Game Boy Advance system!
- Additional games and systems required for multiplayer mode. Sold separately. 2004 Pokémon. 1995-2004 Nintendo/Creatures Inc./GAME FREAK inc. Pokémon and Nintendo Switch are trademarks of Nintendo.
A later U.S. nonfinal rejection is not a final cancellation
PC Gamer reported on April 1, 2026, that the USPTO issued a nonfinal decision rejecting all 26 claims in U.S. patent 12,403,397, which concerns a particular summoned-character battle system. The report says Nintendo could respond. Because the decision was nonfinal, it should not be described as a final cancellation of the patent; nor does it resolve the separate Japanese lawsuit. PC Gamer’s account of the decision is dated April 1, 2026.
Independent reader supportYour contribution helps us test, update, and keep practical guides available for everyone.What does the reported Japanese patent-office rejection mean?
PC Gamer reported in October 2025 that the Japan Patent Office rejected a related Nintendo application for lack of an inventive step, citing earlier mechanics in ARK, Monster Hunter, Craftopia and Pokémon Go. That is relevant context for how related claims may be examined, but the report does not identify that application as one of the three Japanese patents Pocketpair said were asserted in court. It therefore should not be presented as a ruling that invalidated those three patents or decided the infringement case.
Patent examination and infringement litigation ask different questions. Examination addresses whether an application’s claims meet the requirements for a patent; an infringement case considers whether the accused conduct falls within the enforceable claims at issue and what relief, if any, is appropriate. The reported examination outcome cannot substitute for a court decision on the complaint. PC Gamer’s October 2025 report describes the application and the prior mechanics cited.
Rank #4
- Revisit the Sinnoh region from the original Pokémon Pearl Version game and set off to try and become the Champion of the Pokémon League
- The Pokémon Shining Pearl game brings new life to this remade classic with added features
- Explore the Grand Underground to dig up items and Pokémon Fossils, build a Secret Base, and more.
- Test your style and rhythm in a Super Contest Show
- A reimagined adventure, now for the Nintendo Switch system
Has the case changed the rules for the video game industry?
The available sources do not establish a binding industry-wide precedent, a final outcome in the Japanese case or a rule that gives Nintendo control over a general gameplay idea. The meaningful test for developers is more specific: what the asserted claims say, whether the relevant rights remain in force in the jurisdiction, how the accused game works, and what a court or patent office has actually decided.
The latest dated material cited here reports patent-office actions through April 2026, while the Japanese case sources describe events from 2024. They do not establish the Tokyo court’s current status as of October 2026. Without a current court record or party statement, it would be inaccurate to call the case active, settled, dismissed or decided. The dispute is a warning that implementation-specific patent claims can create legal uncertainty, not proof that the industry’s gameplay conventions have been broadly restricted.
Quick Recap
Product prices and availability are accurate as of the date/time indicated and are subject to change. Any price and availability information displayed on Amazon at the time of purchase will apply.
Do these 3 things before closing this tab:
1Clear out junk files and repair common Windows errors2Fix the driver behind crashes, sound loss and screen glitches3Repair Windows errors before they cause bigger problems
