Collateral estoppel

{
  "id": "MLC-T-LAW-001052",
  "term": "Collateral estoppel",
  "field": "Law",
  "definition": "A legal doctrine that prevents a party from relitigating an issue of fact or law that has already been necessarily decided by a court in a prior lawsuit. For this doctrine, also known as issue preclusion, to apply, the issue in the second case must be identical to the one in the first, it must have been actually litigated and decided, and the judgment in the prior case must have been final and valid. The party against whom preclusion is sought must have been a party, or in privity with a party, to the prior litigation.",
  "url": "https://mlchart.com/terminology/law/collateral-estoppel/"
}