Apparently, having read Palworld's defense on the 50+ accounts of copyright infringement, Nintendo just sent a lawyer to the japanese patent office and had the wording of the patent retroactively changed in order to invalidade

https://gamesfray.com/nintendo-resorts-to-weird-patent-claims-as-its-litigation-against-palworld-maker-pocketpair-is-struggling/

Apparently, Palworld said Nintendo never had 'smooth transition' between gliding and mounting (before Masuda forced them to remove the feature, you could transition between a flying Pal to a ground-based Pal), and that this patent was not infringed. So Nintendo went to the patent office, and had the wording changed, including 'even if the transition is not smooth'.

https://www.mmorpg.com/news/nintendo-accused-of-moving-the-goal-posts-in-palworld-lawsuit-by-altering-patents-2000135523

Palworld devs are struggling, now crying and accusing Nintendo of moving goal posts to ensure victory in the courtroom. Palworld devs cry while they steal from you.