If those are the only 3 items they're suing over, in an American court of law it'd be a slam dunk for PocketPair. Theres so much prior art, open use, and poor definitions involved the patents would be quickly invalidated.
But I'm not aware of the nuance of Japanese court, only that they tend to protect IP even more strongly than US courts.
Edit: fuck it, I haven't been very interested so far, but I'm buying a copy of palworld today. Software patents are a broken system and Nintendo deserves every bit of fight given to them.
I don't know about the legality of if either, but it seems so broken for them to have submitted these patent applications AFTER the game released, getting them accepted a few months later. That's fucking stupid, right?
Theres so much prior art, open use, and poor definitions involved the patents would be quickly invalidated.
There might be. We don't know what the patents actually say yet. Without a proper translation of the patents from somebody who understands Japanese legislative texts, all we have to go off of is the machine-translation, which I'm sure is not capturing all the details of the patent.