Mark Perry represents clients in class actions and other complex commercial disputes, including securities, employment, and patent cases. His emphasis is on the appellate aspects of such litigation, with principal responsibility for many cases in federal and state supreme courts and courts of appeals.

Teaches upper-level course on Class Action Law and Procedure at Georgetown University Law Center. Former Justice Department attorney and law clerk to the Supreme Court and Ninth Circuit. JD with high honors, University of Chicago Law School (1991).