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The Accession Insight And Patent Infringement Remedies, Peter Lee

Peter Lee

How should property rights be allocated when one party, without authorization, substantially improves the property of another? According to the doctrine of accession, a good-faith improver may take title to such improved property, subject to compensating the original owner for the value of the source materials. While shifting title to a converter seems like a remarkable remedy, this merely highlights the equitable nature of accession, which aims for fair allocation of property rights and compensation between two parties who both have plausible claims to an improved asset.

This Article draws on accession—a physical property doctrine with roots in Roman civil …