'''Issue preclusion''' is the idea that, once a party to a legal dispute has had a full and fair chance to litigate a crucial "issue" of the dispute, he cannot, in a subsequent suit, argue against the final verdict of the original court. It is an element of American [[civil procedure]].
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'''Issue preclusion''' is the idea that, once a party to a legal dispute has had a full and fair chance to litigate a crucial "issue" of the dispute, he cannot, in a subsequent suit, argue against the final verdict of the original court. It is an element of [[American]] [[civil procedure]].