Mark A. Lemley


Mark Lemley is the William H. Neukom Professor of Law at Stanford Law School and the Director of the Stanford Program in Law, Science and Technology. He is also a Senior Fellow at the Stanford Institute for Economic Policy Research and is affiliated faculty in the Symbolic Systems program.  He teaches intellectual property, patent law, trademark law, antitrust, the law of robotics and AI, video game law, and remedies. He is the author of 11 books and 218 articles, including the two-volume treatise IP and Antitrust. His works have been cited more than 300 times by courts, including 19 times by the United States Supreme Court, and more than 40,000 times in books and academic articles, making him the most-cited scholar in IP law and one of the ten most cited legal scholars of all time. He has published 9 of the 100 most-cited law review articles of the last twenty years, more than any other scholar, and is the third most cited legal scholar in the world from 2016-2020. His articles have appeared in 24 of the top 25 law reviews and in top journals in other fields, including Nature Biotechnology, the American Economic Review, the Review of Economics and Statistics, and the Harvard Business Review, and in multiple peer-reviewed and specialty journals. They have been reprinted throughout the world and translated into Chinese, Danish, Japanese, Korean, Italian, Portuguese, and Spanish. He has taught IP law to judges at numerous Federal Judicial Center and ABA programs, has testified eight times before Congress, and has filed more than 70 amicus briefs in the U.S. Supreme Court and other courts.

Mark is of counsel at the law firm Lex Lumina. He litigates and counsels clients in all areas of intellectual property, antitrust, and internet law. He has argued 30 federal appellate cases and numerous district court cases as well as before the California Supreme Court. He has participated in more than three dozen cases in the United States Supreme Court as counsel or amici.  His client base is diverse and has included Genentech, Dykes on Bikes, generative AI companies, video game companies, artists, computer scientists, and nearly every significant Internet company.

Mark cofounded Lex Machina, Inc., a startup company that provides litigation data and analytics to law firms, companies, courts, and policymakers.  Lex Machina was acquired by Lexis in December 2015.

Mark A. Lemley

Stanford Law School

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