David Gossett focuses his practice on US Supreme Court and appellate litigation, with particular emphasis on administrative law, ERISA, class actions, federal preemption, and arbitration.

David was recently elected to the American Law Institute (ALI). He was also selected by his peers for inclusion in the 2009 edition of The Best Lawyers in America® in the specialty of Appellate Law, and has been recognized by Washingtonian Magazine as one of the "Top 40 Lawyers Under 40" in Washington, and by Lawdragon Magazine as one of its "Lawdragon 500 New Stars, New Worlds" recipients. David has argued two cases in the US Supreme Court; has also argued in the Second, Ninth and Eleventh Circuits, the New Jersey Supreme Court, the Illinois Court of Appeals, and various state and federal trial courts; and has drafted numerous briefs in the US Supreme Court and various other federal and state courts of appeals. He is a co-author of Mayer Brown's Federal Appellate Practice treatise, published by BNA Books in December 2008, and of the chapter on appeals to the Supreme Court in the West treatise Business and Commercial Litigation in Federal Courts.