As commonly understood, the U.S. patent system is a utilitarian regime that employs exclusive rights and market incentives to promote technological progress. Unlike international and foreign regimes, the domestic patent system less explicitly addresses non-utilitarian issues such as access,...

Technologies such as social media, autonomous vehicles, and “big data” analytics generate enormous benefits for society, but they also create substantial harms. Many of these effects take the form of externalities—external benefits and harms that a decisionmaker (such as an inventor)...

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...

Patents on biomedical research tools - technological inputs to experimentation - may inhibit scientific inquiry and the development of life-enhancing therapies. Various "public law" approaches to address this challenge, such as a common law experimental use exception to patent infringement, have...