There is absolutely no evidence at all. Apple is going to loose this. The beef is real, and though Tim is acting CEO till the 1st of September I am ready to bet anything that the order to sue comes from Ternus. Specially considering that there is no evidence of wrongdoing or stealing.
And if there is, tell me what.
John Grubes might be a better authority than me in these matters and he seems to share my opinion. You can listen to it here:
https://dithering.passport.online/member/episode/apple-sues-...