This collection of essays is concerned with these modern developments it identifies what constitutes unjust enrichment at the plaintiffs expense and its available remedies in a number of jurisdictions authors explore the boundaries between the law of restitution the law of torts and the law of contract. Note 5 retrouvez unjust enrichment and the law of contract et des millions de livres en stock sur amazonfr achetez neuf ou doccasion. Unjust enrichment occurs when party a confers a benefit on party b without party a receiving the restitution as required by law in general unjust enrichment claims happen when there is an agreement between two parties an example would be if party a fulfills their part of the agreement while party b does not fulfill their part of the agreement