It depends on how the matter is worded, if you ask for 20K not to sue it could be an issue of barratry and extortion. If you ask for 20K to settle the matter a

It depends on how the matter is worded, if you ask for 20K not to sue it could be an issue of barratry and extortion. If you ask for 20K to settle the matter and one of the terms is that both parties agree never to sue each other over the matter then it's an offer of settlement. Not a lawyer, but that's my crude understanding.