John Duffy

John Duffy

Scholar Title: Armistead M. Dobie Professor of Law

Department: School of Law

Colleges / Universities: University of Virginia


580 Massie Road
Room WB302H
Charlottesville, Virginia 22903-1738

Phone Number: (434) 243-8544


Professor Duffy joined the University of Virginia law faculty in 2011, after serving on the faculty at George Washington University Law School since 2003, most recently as Oswald Symister Colclough Research Professor of Law. After receiving an undergraduate degree in physics, he served as articles editor on the University of Chicago Law Review and was awarded an Olin Fellowship in Law and Economics. Professor Duffy clerked for Judge Stephen Williams on the U.S. Court of Appeals for the D.C. Circuit and for Justice Antonin Scalia on the U.S. Supreme Court, served as an attorney adviser in the Department of Justice’s Office of Legal Counsel, and practiced law with the Washington firm of Covington & Burling. Since entering academia in 1996, Professor Duffy has been on the faculty of the Benjamin N. Cardozo School of Law and the William and Mary School of Law, and has also served as a visiting professor at the University of Chicago.

He has published articles in the University of Chicago Law Review, Columbia Law Review, Texas Law Review, and Supreme Court Review, and he is the co-author of a casebook on patent law.

Professor Duffy teaches torts, administrative law, patent law, and international intellectual property law.


B.A. Harvard University

J.D. University of Chicago