The same as everywhere else, the courts. You can claim you just made it all up in your head. The other party that will claim your invention or image is not prot

The same as everywhere else, the courts. You can claim you just made it all up in your head. The other party that will claim your invention or image is not protected and they are not infringing. A judge or jury decides. And before this the copyright or patent office will filter out a lot of obvious applications that don't qualify. So really unless you are pursuing others for infringement(and they are making a lot of money), no one cares if you are honest about using AI