The latest legal push from Nintendo around monster-battling mechanics has hit a wall in the United States. The company’s controversial patent has now been rejected. This has now raised doubts about how far publishers can go in claiming gameplay ideas.

The rejected patent is based on a system where players summon creatures to fight either automatically or through direct commands. It was heavily criticized in 2025 after being approved. Later, USPTO director John A Squires ordered a re-examination.

Now, the United States Patent and Trademark Office has issued a non-final rejection. This decision has taken down all the 26 claims tied to the patent. As per the examiner, none of those 26 elements were described as new or inventive enough to qualify for protection.

The ruling arrives at a crucial moment, especially with Nintendo already locked in a broader fight involving Pocketpair and its breakout title Palworld.

The USPTO did not rely on analyzing modern games. Instead, it looked into prior patent filings with similar systems. Some of them were from Konami, Bandai Namco, and Nintendo's own past filings.

Hence, the authority disbanded the idea of a new patent. In simple terms, what Nintendo tried to secure in the form of patents had already been described in different forms years earlier.

For Nintendo, the timing is critical. The decision does not directly impact its ongoing legal efforts in Japan. However, it does weaken the broader argument that such mechanics can be tightly controlled through patents.

What’s Next for Nintendo?

Even after this major setback, Nintendo has a path forward. As mentioned earlier, the rejection from the USPTO is non-final. That means the company still has a limited window to respond, revise its claims, or defend the originality of its system.

Right now, the most likely step from Nintendo is a counterargument. Rather than broad gameplay ideas, the company can attempt to narrow the scope of the patent to a more niche concept.

But if this approach fails, Nintendo might then have to appeal. Patent cases often stretch over long periods, and the company can keep pushing them. However, it needs to believe that the patent still has value to be worth fighting for.

As of now, Nintendo is in turmoil. It needs to rethink its approach, whether to back off or double down on the efforts. Either way, the next step will play a big role in shaping how this legal battle unfolds.

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Written by

Nilendu Brahma

Edited by

Siddharth Shirwadkar