A lawful and volountary act creating obligations of a contractual nature in circumstances where no contract exists.
An obligation created by the law in the absence of an agreement or contract; not based upon the intentions or expressions of the parties.
An undertaking that is not a written contract but is an implied contract. In insurance it is most frequently found in reference to preservation of salvage.
A legal term denoting an obligation similar in character to that of a contract, that arises not from an agreement between the parties, but rather from some relationship between them.
A legal obligation imposed by law where there is unfair or unjust reward to one party.
An obligation imposed even where there is not an agreement or contract. The agreement is created by the law based on the actions of the parties.
Legal obligation to do something imposed upon someone by law, which bears the force of a contract and is subject to legal action as a contract. It is basically a legal obligation to pay for a benefit received as if a contract had actually occurred.
A quasi-contract, also an implied-in-law contract, is a legal substitute for a contract. A quasi-contract is a contract that should have been formed, even though in actuality it was not. It is used when a court wishes to create an obligation upon a non-contracting party to avoid injustice.