Ex turpi causa non oritur actio Tags: Legal Terms Ex turpi causa non oritur actio: (Latin: No action arises from an illegal cause) A person may not sue for damage arising out of an illegal activity. A person may not sue on an illegal contract, because it is void from the time of its creation. Related Terms Ab initio: (Latin) from the beginning. Abatement Acceptance Accord and Satisfaction Acquiescence
