Michael Heller is a renowned American lawyer and author. He is best known for his work on the legal concept of copyright, which he coined as the "Heller Doctrine". Heller is a professor at the University of Pennsylvania Law School and a senior fellow at the Center for the Protection of Intellectual Property. He has written several books on the subject of copyright, including The Gridlock Economy: How Too Much Ownership Wrecks Markets, Stops Innovation, and Costs Lives. Heller is a highly respected figure in the legal world, and his work has been cited in numerous court cases. He has been a guest lecturer at universities around the world, and has been featured in numerous publications, including The New York Times, The Wall Street Journal, and The Economist. He has also been a guest on various television and radio programs. Heller is a passionate advocate for the protection of intellectual property rights, and has been a vocal critic of the current copyright system. He believes that the current system is outdated and does not adequately protect creators and innovators. He has argued that the current system is too restrictive and has led to a decrease in creativity and innovation. He has also argued that the current system has led to an increase in litigation and has stifled competition.