US Patent Office Issues Rejection Of Nintendo Combat Summoning Mechanic Amid Ongoing Legal Dispute With Pocketpair

Nintendo faces a setback as the USPTO rejects its combat summoning patent. Explore the implications for the ongoing legal battle against Palworld creator Pocketpair.

By: AXL Media

Published: Apr 2, 2026, 8:45 AM EDT

Source: The information in this article was sourced from GamesIndustry.biz

Regulatory Pushback On Nintendo Summoning Mechanics

The United States Patent and Trademark Office, commonly known as the USPTO, has officially rejected a patent application from Nintendo that describes a specific in,game summoning mechanic. The technology in question involves a primary character calling upon a sub,character to participate in active combat. According to reports from Games Fray, the federal office based its decision on the existence of prior art references, citing at least two or three previously published patent applications that cover similar territory.

The Timeline Of A Contested Filing

Nintendo originally submitted the paperwork for this summoning patent in March 2023, seeking to fortify its intellectual property portfolio. While the USPTO initially granted approval in September 2025, the agency quickly shifted its stance by announcing a formal re,examination just two months later in November. This recent rejection marks a pivotal moment in the application's history, though the ruling is currently classified as non,final, leaving the door open for further legal maneuvering.

Legal Intersection With The Palworld Controversy

This administrative development is inextricably linked to Nintendo's broader legal strategy against Pocketpair, the studio behind the global hit Palworld. In late 2024, Nintendo and The Pokémon Company launched a joint lawsuit in the Tokyo District Court, alleging that the survival game infringed upon multiple patent rights. The platform holder is currently seeking both financial damages and a permanent injunction, claiming that the mechanics utilized in Palworld directly overlap with proprietary systems established by Nintendo over several decades.