Estop - sustany/dvg GitHub Wiki

To estop means to prevent a party from asserting a claim, right, or argument. Courts estop parties from asserting these claims, rights, or arguments through the process of estoppel.�

In the field of contract law, promissory estoppel estops parties from claiming that no contract exists when another party was harmed through the reasonable reliance upon a promise by the first party.�

In the fields of civil procedure and criminal law, collateral estoppel prevents parties from re-litigating any issue which has already been litigated. Parties are only estopped from re-litigating an issue if that issue was actually, validly, and finally determined on the merits.�