Restitution in America: Why the US Refuses to Join the Global Restitution Party

In the past generation, restitution law has emerged as a global phenomenon. From its Oxbridge home, restitution migrated to the rest of the Commonwealth, and ongoing Europeanization projects have brought the common law of restitution into contact with the Romanist concept of unjust enrichment, further internationalizing this movement. In contrast, in the United States, scholarly interest in restitution, in terms of books, articles, treatises, symposia and courses on restitution, is meager. Similarly, while restitution, equity and tracing cases receive considerable treatment at the highest levels of the English judiciary, US courts seem uninterested in these issues, rarely producing the theory-laden opinions that have become quite common in the House of Lords. The situation is particularly curious because restitution is generally thought to be the invention of late nineteenth-century American scholars. This article explains this divergence. I argue that the Commonwealth restitution discourse is largely a product of pre- or anti-realist legal thought which generates scepticism within the American academic-legal establishment. The article identifies the two dominant camps in American private law thought—left-leaning redistributionalists and the centre-right legal economists—and shows that neither has any use for the Commonwealth's discourse. I conclude by analysing the emerging drafts of the Restatement of Restitution and forecast the future of American restitution law.