In Antitrust Law and Intellectual Property Rights: Cases and Materials, Christopher R. Leslie describes how patents, copyrights, and trademarks confer exclusionary rights on their owners, and how firms sometimes exercise this exclusionary power in ways that exceed the legitimate bounds of their intellectual property rights. Leslie explains that while substantive intellectual property law defines the scope of the exclusionary rights, antitrust law often provides the most important consequences when owners of intellectual property misuse their rights in a way that harms consumers or...