Nathan Dumm & Mayer handles all areas of automobile liability defense, including no-fault and uninsured motorist claims, coverage disputes, and subrogation. This practice area has been a significant focus for our firm throughout its existence. Our attorneys represent insurance companies, municipalities, corporations, and the people they insure. Our experience and knowledge enable the firm to provide effective representation in automobile insurance defense litigation. Attorneys practicing in this area: Ellis Mayer, Bernard Woessner, Andy Nathan, Marni Nathan Kloster, Ashley Hernandez-Schlagel, Mike Lancto, and Kaitlin Akersback to top

Civil Rights and Governmental Entity Law
NDM has extensive experience representing governmental entities throughout the State of Colorado, including cities and towns and all of the departments within these entities, as well as special districts. Our representation of governmental entities is wide-ranging and includes proficiency in civil rights defense, employment litigation, land-use litigation, municipal code enforcement, police liability litigation, and general tort defense, as well as other issues that affect governmental entities. NDM’s in-depth experience enables us to provide responsive and effective representation in defending all types of lawsuits brought against municipalities and special districts. The firm’s representation of governmental entities includes the successful defense of the City of Littleton before the United States Supreme Court, which established a precedent regarding the regulation of adult businesses across the country. Attorneys practicing in these areas: Andy NathanMarni Nathan KlosterBernard Woessner, Tim FieneAshley Hernandez-Schlagel, and Nick Poppe.Back to top

Construction Defect Claims and Litigation
In the past two decades, Colorado has experienced unprecedented growth. A by-product of this growth has been an explosion in construction defect litigation. NDM’s experienced trial attorneys effectively defend developers, general contractors and subcontractors. NDM’s construction defect counsel handle third party claims against subcontractors while representing developers and general contractors, taking a unified approach to defenses whenever possible. NDM is particularly aware of the risks associated with “pay and chase” scenarios when representing general contractors. The firm has effective procedures in place to avoid unnecessary conflict with third party defendants. Attorneys practicing in these areas: Mike Lancto, and Ellis Mayer.Back to top

Employment Counsel
NDM has demonstrated capability in defending a broad range of employment issues. The firm’s experience allows it to provide a uniquely comprehensive representation to its clients with respect to employment disputes, including issues involving Americans with Disabilities Act (ADA), Age Discrimination in Employment Act (ADEA), Title VII discrimination, harassment and retaliation claims, wrongful termination, constructive discharge, First Amendment retaliation, and workers’ compensation claims. The firm counsels both public and private employers concerning preventive employment law practices, including developing and revising employment policies and defending employers in both the administrative process and litigation. The firm also performs and/or manages investigations of claims made by employees. This firm has substantial experience representing employers before the Equal Employment Opportunity Commission, the Colorado Civil Rights Division, administrative hearing officers and in civil court. Attorneys practicing in this area: Andy Nathan, Marni Nathan Kloster, Ellis Mayer, Bernard Woessner,  Tim Fiene, Ashley Hernandez-Schlagel, and Nick Poppe.Back to top

Insurance Coverage and Bad Faith Disputes
NDM provides in-depth and nuanced analysis of insurance coverage matters, as well as representation of insurance companies in contract disputes. The firm has extensive experience providing coverage opinions, defense of bad faith lawsuits, and prosecuting declaratory judgment actions. NDM promotes a direct and common-sense approach to these volatile disputes. Recognizing issues and intervening at an early stage serves to minimize exposures to liability. Attorneys practicing in these areas: Ellis Mayer, Bernard Woessner, Tim Fiene, and Kaitlin Akers.Back to top

Insurance Defense
NDM lawyers have extensive trial experience before the state and federal courts, as well as the state and federal courts of appeal. Our attorneys practice in all areas of insurance defense including negligence cases arising from auto accidents and premises liability, workers’ compensation, legal malpractice, product liability and bad faith litigation. NDM also has a large department that emphasizes the defense of governmental entities and their employees. NDM gains a clear understanding of the insurers’ goals through early communication and analysis. The attorneys practicing in these areas: Kaitlin Akers, Ellis MayerBernard Woessner, Timothy R. Fiene, Andy NathanNicholas C. Poppe, Marni Nathan Kloster, Ashley Hernandez-Schlagel and, Mike Lancto.Back to top

Livestock Litigation
NDM travels all over the state to defend ranchers and farmers involved in livestock liability claims, including motor vehicle collisions with livestock and claims of inadequate fencing resulting in trespass and damage. Attorneys practicing in this area: Ellis MayerBack to top

Premises Liability Defense
The defense of a premises liability case is an important focus of the firm. NDM’s attorneys represent insured and self-insured businesses, property management companies, and municipalities and individuals in defense of such claims. Our knowledge and experience provide effective representation in premises liability defense litigation. Attorneys practicing in this area: Mike Lancto, Ellis Mayer, Andy Nathan, Marni Nathan Kloster, Tim Fiene, Ashley Hernandez-Schlagel, and Kaitlin Akers.Back to top

Professional Liability Defense
NDM attorneys represent licensed professionals, including attorneys, design professionals, and accountants in civil claims based on an alleged breach of the standard of care. Its attorneys provide a strong and effective defense to such claims and work with its clients toward a successful and goal-oriented resolution. NDM also offers services and representation for licensed professionals in Board disciplinary inquiries and mandatory Board reports relating to professional licenses and has provided representation to clients before the Board of Accountancy and the Board of Licensure for Architects, Professional Engineers & Professional Land Surveyors. Attorneys practicing in this area: Ellis Mayer.
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Workers’ Compensation
Workers’ compensation claims require mastery of the ever-changing laws in this area along with the application of persistence, energy and innovation. NDM has tirelessly practiced and developed these qualities since the firm began. Whether an employee slips on a banana peel or claims exposure to toxic materials, the firm has a solid record of effective client representation. Its client base includes large self-insured employers as well as the “little guy” who has workers’ compensation coverage through various forms of insurance coverage. The firm works with employers and carriers on every level, from developing risk management policies to assisting with the investigation of claims, from trying the case before the Administrative Law Judge to arguing that case before the Supreme Court. Credibility, communication and integrity are of paramount importance without regard to venue. Attorneys practicing in this area: Bernard Woessner, Tim Fiene, and Kaitlin Akers.Back to top


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7900 East Union Ave – Suite 600 Denver, CO 80237 Phone 303-691-3737