CASE-WITHIN-A-CASE RULE

case-within-a-case rule.Torts. The requirement that a legal-malpractice-action plaintiff show that, but for the attorney’s negligence, the plaintiff would have won the case underlying the malpractice action. [Cases: Attorney and Client  112. C.J.S. Attorney and Client §§ 258–260.] [Blacks Law 8th]