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Nintendo's Character Patent Rejected; Two-Month Appeal Window Opens

4/3/2026

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Summary

Story summary

The United States Patent and Trademark Office (USPTO) rejected Nintendo's patent on a character summoning mechanic, citing prior art.
The decision is non-final, giving Nintendo two months to respond or appeal.
The patent had been approved in September 2025 before scrutiny related to a Pocketpair lawsuit.
Nintendo seeks damages and an injunction against Palworld, and Pocketpair has altered mechanics amid litigation.

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Story summary

The United States Patent and Trademark Office (USPTO) rejected Nintendo's patent on a character summoning mechanic, citing prior art.
The decision is non-final, giving Nintendo two months to respond or appeal.
The patent had been approved in September 2025 before scrutiny related to a Pocketpair lawsuit.
Nintendo seeks damages and an injunction against Palworld, and Pocketpair has altered mechanics amid litigation.