As dylan522p is saying, it depends very heavily on the actual agreement. Which unfortunately isn't public and has historically been very different in each case so we can't even look at similar agreements for guidance.

That being said, it wouldn't be totally out there for a clause in the agreement that doesn't allow export of chips with this IP, and that would probably be enforced as ITO judgements allowing seizing chips and end devices at ingress points. The ITO would essentially treat them as counterfeit if all of those assumptions hold true, similar to how how remanufactured and ghost shift iPhone replacement parts famously get labeled as counterfeit legally.