The Pokémon Company cites three Japanese patents, No. 7545191, No. 7493117, and No. 7528390. From the translation of the claims, they appear to describe Pokémon-style activities, with ‘191 focused on the act of throwing a ball at characters in a field,

The Pokémon Company and Nintendo are suing Palworld developer Pocketpair for 10 million yen, which is roughly the equivalent of $65,600, and late payment damages, according to a statement released by Pocketpair on Friday. The lawsuit targets three patents that cover gameplay where players ride Pokémon and throw Poké Balls.

A patent expert analyzes Nintendo's recent lawsuit against Palworld developer Pocketpair, concluding that it's 'a clear case of bullying.'