University of Wisconsin Law School Law In Action
When contracts are invalidated for some reason (e.g. a car buyer is so drunk that he lacks legal capacity to contract) the contractual obligation to pay can be invalidated separately from the proprietary title of the car. Unjust enrichment law, rather than contract law, is then used to restore title to the rightful owner. In general, legal systems can be split between civil law and common law systems. The term “civil law”, referring to the civilian legal system originating in continental Europe, should not be confused with “civil law” in the sense of the common law topics distinct from criminal…