Part I begins the inquiry by describing trademark’s connection with other consumer information laws. In many cases optimal trademark policy—by whatever criteria—depends on the state of play in another regime. This complicates trademark’s development in multiple ways. It is not simply a problem of determining how another body of law treats the related issue. Identifying the relevant parallel regime is not always easy. Indeed, sometimes the laws most pertinent to the production of consumer information are more general in nature—think, for example, of the role that simple trespass law plays in determining what we know about how our meat is raised—and therefore easy to overlook. The problem underscores the complexity of the larger “ecosystem” o...