Dan Himmelfarb has filed approximately 200 merits and petition-stage briefs in the US Supreme Court and has argued 32 cases in eight different appellate courts, including 10 in the US Supreme Court, 13 in the Second Circuit, and two each in the DC Circuit and Fourth Circuit. Dan’s appellate experience has earned him recognition in The Legal 500 United States (2009, 2010, 2011), The National Law Journal’s “Appellate Hot List” (2010, 2011), and The Best Lawyers in America (2011, 2012). Dan is a co-author of Mayer Brown’s Federal Appellate Practice treatise, published by BNA Books in 2008.

Before joining Mayer Brown in 2007, Dan served for five years as an Assistant US Attorney in the Southern District of New York and then for five years as an Assistant to the US Solicitor General. In 2005, he received the US Attorney General’s Distinguished Service Award. Before joining the Department of Justice, Dan was in private practice for three years in New York.

Dan received his A.B. magna cum laude from Princeton University and his J.D. from Yale Law School, where he was a senior editor of the Yale Law Journal. After graduating from law school, Dan clerked for Judge J. Michael Luttig of the US Court of Appeals for the Fourth Circuit and for Associate Justice Clarence Thomas of the US Supreme Court.