Antitrust policy and the IP laws are both concerned with practices that restrain competition unnecessarily by reducing the size of the public domain beyond that which the Constitution contemplates, or as Congress intended for them to be expanded. In fact, antitrust has a dual role as promoter of competition in IP intensive markets. It regulates both restraints on competition and restraints on innovation. The first line protector of the competitive process in innovation is the IP statutes themselves. The Constitutional Mandate to Congress to create intellectual property regimes in order to promote the Progress of Science and useful Arts is expressly tied to creating incentives to innovate. Indeed, the IP Clause is the only place where the Co...