Marte B. Timmers
Marte B. Timmers


Phone: 303.299.8135

Fax: 303.298.0940

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Legal Secretary

Diane Mahoney

Areas of Emphasis

Family Law

Litigation, Trials and Appeals


  • Juris Doctor, William & Mary Law School, 1999
    • Order of the Coif
    • Order of the Barristers
    • Notes Editor, William & Mary Law Review
    • William & Mary Moot Court Team
  • Bachelor of Arts, Communications, University of Virginia, 1996



Marte Timmers handles all aspects of litigation, negotiation and settlement in family law and domestic relations for families with estates of more than $1 million. Ms. Timmers, a trained collaborative law divorce attorney, has specific expertise in high net worth financial issues; business valuations; and allocation of parental responsibility issues, such as parental alienation and reunification of parents and children through the legal process. She is a skilled negotiator in mediation settings, working to reach amicable and favorable settlements for clients. Establishing relationships is essential for Ms. Timmers not only with her clients but with experts and she has a high level of experience with a variety of business valuation experts, accountants, and parental responsibility evaluators in Colorado. Understanding the sensitive and critical situation of working with family matters, Ms. Timmers is always available for her clients to address their questions, ideas and concerns, and to creatively strategize for an entire family. Ms. Timmers also has experience drafting marital agreements and cohabitation agreements.

From 2005 through 2010, the chief presiding judge for the Denver Juvenile Court appointed Ms. Timmers as a magistrate judge. During this time, she presided over child support enforcement and parenting time cases, contempt matters, and adoptions.  Having the perspective of “the bench” assists Ms. Timmers in litigation matters and all aspects of the court process.

Representative Matters
  • Co-chaired a trial with a $40 million dollar business valuation dispute with complicated valuation issues in the oil and gas industry
  • Successfully litigated a relocation case for a client in which a child was relocated to North Carolina.
  • Successfully litigated challenges to premarital agreements.
  • Litigated successfully protection orders, emergency parenting time cases and child support cases.
  • Experienced in the use of parental responsibilities evaluators, child family investigators, vocational evaluators, and business/tax valuation expert witnesses.
  • Argued at the appellate level in a high-income child support case.
  • Successfully handled an extended family member adoption in Denver Juvenile Court.
  • Has trial experience in all metro area districts, as well as outlying districts (El Paso and Weld) and mountain districts that include Garfield, Pitkin, Eagle, and Montrose districts.
Professional Activities
  • Executive Committee and Vice-President, Parents’ Association, Colorado Academy, 2015-2017
  • Volunteer and Co-Founder, Florence Crittenton High School Legal Clinic, 2014-present
  • Member, Colorado Bar Association: Family Law Section, 2011
  • Admitted U.S. Court of Appeals, Fourth Circuit, 2000
  • Admitted U.S. Court of Appeals, Tenth Circuit, 2000
  • Admitted U.S. District Court, District of Colorado, 2000
  • Admitted Colorado, 2000
Honors and Awards
  • Top Lawyer- Family Law/Divorce, 5280 Magazine, 2019
  • Young Lawyer of the Year, Denver Bar Association, 2003
Publications and Presentations

Recent Media

  • All in the Family
    Law Week Colorado
    October 11, 2017
  • Unlike Most Big Law Firms, Sherman & Howard Bulks up its Family Law Group
    Denver Business Journal
    September 26, 2017


Recent Presentations

  • Legal Separation: Can One be a Little Bit Married
    Colorado Domestic Relations Judicial Institute
    June 2017
  • Where Family Law Intersects with Immigration Law: Practical Steps for Protecting the Children of Immigrants Facing Deportation
    Colorado Bar Association
    May 2017
  • How to Effectively and Persuasively Present Business Valuations to the Trier of Fact
    Colorado Bar Association Family Law Institute
    August 2017


Recent Publications

  • Reclaim The Name-Simplified Name Change After Divorce
    Family Law Section Newsletter
    November 2016