Law Commons^™

The Audience In Intellectual Property Infringement, Jeanne C. Fromer, Mark A. Lemley

Michigan Law Review

Every intellectual property (“IP”) right has its own definition of infringement. In this Article, we suggest that this diversity of legal rules is largely traceable to differences in the audience in IP cases. Patent, trademark, copyright, and design patent each focus on a different person as the fulcrum for evaluating IP infringement. That patent law, for example, focuses on an expert audience while trademark looks to a consumer audience explains many of the differences in how patent and trademark cases are decided. Expert audiences are likely to evaluate infringement based on the technical similarity between the plaintiff’s and defendant’s works. …