Implied-in-law contract,

Definition of Implied-in-law contract:

1. Fictional contract imposed by a court as a legal remedy to prevent injustice. It is forced in favor of the wronged party, and against the party that obtains an undue advantage or gains at the expense of the other. The wrongdoer is considered to be under an obligation quasi ex contractu (Latin for, as if from a contract) to make restitution.