Nathan Dumm & Mayer P.C. is a results driven law firm that has made it one of the most trusted in Colorado with a reputation that extends nationwide. Its attorneys primarily represent defendants in complex civil, tort, and commercial litigation cases. Founded in 1973, the firm represents governmental entities and defends both civil rights and personal injury claims. Our lawyers have extensive experience in employment law, construction defense litigation, and workers' compensation claims. A rare and defining moment for any lawyer is an oral argument in front of the United States Supreme Court. On March 24, 2004, in the matter of the City of Littleton v. Z.J. Gifts (541 U.S. 774), the firm's founding partner, J. Andrew Nathan, led to the Court's 9-0 decision in favor of our client, establishing a nationwide precedent about which you may read more in our highlighted post.