Frustration of Purpose Doctrine Lehre der Zweckvereitelung Frustration of Purpose Doctrine Doctrina de la Frustración del Propósito Doctrina de la Frustración del Propósito Doctrine de la frustration de l'objet תאוריה של כשלון המטרה उद्देश्य का निराश्रय डॉक्ट्रिन 目的不履行教義 Doutrina da Frustração do Propósito 目的挫败原则 The Frustration of Purpose Doctrine is a legal defense in civil litigation that allows a party to be excused from performing their contractual obligations when an unforeseen event occurs that completely undermines the purpose of the contract.