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,

Nintendo and The Pokémon Company are seeking an injunction which will block the sale of Palworld, it’s been revealed. Earlier this year, just days prior to the indie game’s PS5 release, the Mario maker filed a patent lawsuit against developer Pocketpair – and now we have more details about what it entails.

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