John F. Duffy is Of Counsel, resident in Hughes Hubbard’s Washington, D.C. office. He is also the Samuel H. McCoy II Professor of Law at the University of Virginia School of Law. Professor Duffy is a former law clerk to Justice Antonin Scalia, a registered patent attorney, co-author of a widely used patent law casebook, Patent Law and Policy (6th ed. 2013), and the author of a number of articles on intellectual property and administrative law. Professor Duffy has participated in a number of litigation matters, both as counsel for parties to the litigation and as an amicus curiae. In the field of intellectual property, Professor Duffy has been identified as one of the 25 most influential people in the nation (by the U.S. publication The American Lawyer) and one of the 50 most influential people in the world (by the U.K. publication Managing Intellectual Property).