James Grimmelmann is a professor of law at Cornell Tech and Cornell Law School. He studies how laws regulating software affect freedom, wealth, and power. He helps lawyers and technologists understand each other, applying ideas from computer science to problems in law and vice versa. He is the author of the casebook Internet Law: Cases and Problems and of over forty scholarly articles and essays on digital copyright, search engine regulation, privacy on social networks, online governance, and other topics in computer and Internet law. He teaches courses in property, intellectual property, and Internet law.

He holds a J.D. from Yale Law School and an A.B. in computer science from Harvard College. Before law school, he was a programmer for Microsoft; after graduation he clerked for Judge Maryanne Trump Barry of the U.S. Court of Appeals for the Third Circuit. He is an affiliated fellow of the Yale Information Society Project. He previously taught at New York Law School, Georgetown, and the University of Maryland.

He has written for Slate, Salon, Wired, Ars Technica, and Publishers Weekly; he is a regular source of expert commentary for major news media including the New York Times, the Wall Street Journal, the Washington Post, and All Things Considered. He and his students created the Public Index website to inform the public about the Google Books settlement.

He has been blogging since 2000 at the Laboratorium ( and tweeting since 2007 @grimmelm. His home page is at