Nathan Dumm & Mayer P.C.

Nathan Dumm & Mayer P.C., is a law firm in Denver, Colorado, focused on insurance defense litigation, as well as representation of governmental entities. Our accomplished team of attorneys represents individuals, entities, and insurance carriers in a wide variety of civil litigation matters, including civil rights, employment issues, personal injury, professional malpractice, construction, workers’ compensation and more.

Established in 1973, our firm has a strong reputation for providing cost-effective, high-quality legal services and resolving matters expeditiously. We have a collaborative environment within our firm and with our clients as well as throughout our community.

Our firm has been recognized in various ways over the years. Marni Nathan Kloster and Ashley Hernandez-Schlagel have been selected to Rising Stars and J. Andrew Nathan has been selected to Super Lawyers. Six of our attorneys are AV Preeminent peer-review rated* through Martindale-Hubbell, and our attorneys have been listed as some of the “best recommended insurance attorneys.” Our partner and shareholder, Ellis J. Mayer, was also named a “top lawyer” by 5280 magazine in 2018.

Our attorneys are admitted to practice in all Colorado state and appellate courts and most before the U.S. District Court for the District of Colorado, the U.S. Court of Appeals for the 10th Circuit and the Supreme Court of the United States. Members of our experienced team belong to professional organizations including the Colorado Defense Lawyers Association, the American Board of Trial Advocates, and several local bar associations. 

We are actively involved in our local community and have supported several organizations including the Andy Fisher Memorial Scholarship Fund, A Brighter Day child placement agency, the Colorado Chapter of the American Board of Trial Advocates, Colorado Legal Services, the Denver Public Schools Foundation Shakespeare Festival, the Make-A-Wish Foundation, Metro Volunteers, the Town of Erie and the University of Colorado Foundation.

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