Leonard D. DuBoff is a business lawyer in Portland, Oregon, specializing in intellectual property and corporate law. He is one of the world's leading authorities on art law. He has pioneered the field, written extensively on the subject, and lectured all over the world. His two-volume text entitled "The Desk Book of Art Law" is considered the most authoritative and important book on the subject. It is frequently referred to by judges, lawyers, legal commentators, and others who are interested in finding out about this important field of law, and it has also been adopted by several law schools