Madeleine Sheahan Rosengrants


Denver, Colorado

Phone: 303.299.8138


[email protected]


  • J.D., University of Denver Sturm College of Law (2018)
  • B.S., Colorado State University (2015)
    • Business Administration
    • Cum laude
  • B.A., Colorado State University (2015)
    • Spanish Languages and Literatures
    • Cum laude

Madeleine Sheahan Rosengrants, a talented family law practitioner and skilled litigator, represents clients at every stage of domestic relations cases from initial consultation through final resolution.

Madeleine has favorably resolved contentious divorces and regularly advises on and structures agreements regarding the allocation of parental responsibilities, child support, custody, maintenance, relocation, and high-asset property distributions. She has secured temporary and permanent protection orders for clients and has represented clients in contempt hearings, in arbitration proceedings, and decree modification hearings.

A collaboratively trained lawyer, Madeleine is often able to help spouses amicably end their marriage or resolve disputes without the need for contentious litigation.

Before joining the firm, she worked as an associate at another Denver law firm and as a judicial extern for U.S. District Court Magistrate Judge Kristen L. Mix. She is currently on the board of Law School… Yes We Can! and the co-chair of the Programming and Curriculum Committee. Madeleine is an adjunct professor of trial advocacy at the University of Denver Sturm College of Law, where she coaches the award-winning National Trial Team.

Publications & Presentations



  • Wellness or Weaponry: The Good, the Bad, and the Ugly Regarding the Age of Consent for Mental Health Treatment and its Implications for Parents, Mental Health Professionals, and the Court
    2021 Family Law Institute | August 19, 2021

Professional Activities

  • Law School…Yes We Can!
    • Board member
    • Programming and Curriculum Committee, co-chair
  • University of Denver Sturm College of Law, Adjunct Professor of trial advocacy


  • “Rising Star,” Family Law, Colorado, Super Lawyers (2024)