John F. Duffy
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John Fitzgerald Duffy is currently Professor of Law at The George Washington University Law School in Washington, D.C. He is a Legal Commentator and Author who has written numerous articles and co-authored a scholarly book on Patent Law (listed at his GWU Webpage below). He previously served as law clerk to The Honorable Antonin Scalia, Associate Justice of the Supreme Court of the United States, The Honorable Stephen F. Williams, Judge of the United States Court of Appeals for the District of Columbia Circuit. Between these two assignments, he served as an attorney at the Office of Legal Counsel in the United States Department of Justice.
Duffy is currently serving as co-counsel for petitioner KSR in the 2006 U.S. Supreme Court case on the law of patent obviousness, KSR v. Teleflex.
Duffy received a B.A. from Harvard University, and was awarded a J.D. by the University of Chicago Law School. Duffy is a graduate of Holy Spirit High School in Absecon, New Jersey.
