William Landes joined the faculty of the Law School in 1974 and was the Clifton R. Musser Professor of Law and Economics in the Law School from 1992 to 2009. Landes has written widely on the application of economics and quantitative methods to law and legal institutions, including torts, intellectual property, judicial behavior, legal decision-making, and art law. His most recent book, The Economic Structure of Intellectual Property Law (2003) with Judge Richard Posner, applies economic analysis to the many legal doctrines in trademark, copyright, trade secret, and patent law. Landes has been an editor of the Journal of Law and Economics from 1975 to 1991 and the Journal of Legal Studies from 1991 to 2000. He is a past president of the American Law and Economics Association and is a member of the American Economic Association, the Mont Pelerin Society, and the Council of Economic Advisers of the American Enterprise Institute. He is also a Fellow of the American Academy of Arts and Sciences.