Edit: Case timeline: sued in state court as a contract claim, vizio moved it to federal court saying its a copyright claim, federal judge kicked it back to state court to hear the contract claim.
I feel like the principles used to argue this case are applicable elsewhere too, according to Wikipedia, it sounds like at least in England, Europe and South Africa have the concept of a "third-party beneficiary" to a contract:
https://sfconservancy.org/copyleft-compliance/vizio.html
Edit: Case timeline: sued in state court as a contract claim, vizio moved it to federal court saying its a copyright claim, federal judge kicked it back to state court to hear the contract claim.
https://sfconservancy.org/news/2022/may/16/vizio-remand-win/