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Secrets And Liens: Verification And Measurement In Commercial Finance Law, Jonathan C. Lipson

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This article argues that commercial finance law increasingly uses contract rules to displace property rules, especially as these rules pertain to verifying and measuring property interests. In this context, verification simply means confirming the existence of a property interest, such as a lien or security interest. Measurement means determining the relationships of various property interests to one another (i.e., the priority of interests).

Historically, commercial finance law – in particular the Uniform Commercial Code, which governs loans secured by personal property – provided that something would be treated as “property” only if its property character was fairly easy to discover. …