actio de in rem verso

Main Entry: ac·tio de in rem ver·so
Pronunciation: 'ak-shE-O-"dE-in-'rem-'v&r-sO, 'äk-tE-O-"dA-in-'rem-'ver-sO
Function: noun
Etymology: Latin, legal action over something converted to the benefit (of the principal in the law of agency)
in the civil law of Louisiana : a doctrine equivalent to the common-law doctrine of unjust enrichment