Professor Weinberg has been a law clerk to U.S. Supreme Court Justice Thurgood Marshall and then-Judge Ruth Bader Ginsburg; a visiting scholar at the University of Tokyo's Institute of Journalism and Communication Studies; a legal scholar in residence at the FCC's Office of Plans and Policy; a visiting scholar at Cardozo Law School; and a professor in residence at the U.S. Justice Department. He chaired a working group created by ICANN (the Internet Corporation for Assigned Names and Numbers, an international body that administers the Internet domain name system) to develop recommendations on the creation of new Internet top level domains. He joined the Wayne Law faculty in 1988.
Weinberg has published numerous articles on Internet and high-technology law and policy, as well as on the regulation of broadcasting and other more venerable electronic media. More recently, he has been thinking and writing about immigration law.