James S. Margulis


James S. Margulis is a partner at Feldmann Nagel Cantafio Margulis, PLLC. He is licensed to practice in Colorado, Florida, and Missouri. In the Boulder/Denver office, James practices Family Law including, but not limited to:

  • Divorce
  • Modifications
  • Allocation of Parental Responsibilities (Child Custody)
  • Child Support Issues
  • Protection Orders
  • Paternity Actions
  • Adoptions
  • Guardianships
  • Contempt and all post decree matters concerning the same

Undergraduate Education

Jim grew up in St. Louis, Missouri and attended the prestigious St. Louis Country Day School. He took his undergraduate studies at Southern Methodist University in Dallas, Texas, earning a Bachelor of Arts Degree in Political Science and a minor degree in History.

Political Experience

After graduating from Southern Methodist University in 1990, Jim became involved in the political arena, successfully managing two campaigns in St. Louis County for the Prosecuting Attorney. Jim then took his political skills to the nation's capital working for Congresswoman Joan Kelly Horn as her direct media director and her legislative assistant on judicial affairs.

Law Experience

Jim then returned to St. Louis to attend Washington University School of Law and, after graduating in 1998, he moved to Florida and worked exclusively in Family Law for four years. In 2003, Jim returned home to St. Louis and continued his family law practice, but also expanded into commercial litigation matters. In 2009, Jim re-located to Boulder, Colorado and continued to focus his practice on Family Law Matters and Commercial Law Matters.

Jim’s family law experience encompasses the entire spectrum of family litigation, including:

  • Client communication
  • Discovery compliance and execution
  • Temporary orders hearings
  • Utilization of expert witnesses
  • Permanent orders hearings

His practice further consists of:

  • Protections Orders
  • Paternity Actions
  • Enforcement Actions
  • Modification Actions
  • Dissolutions

Jim has substantial experience litigating complex, contested divorce cases using forensic accountants, as well as complicated custody matters such as those involving national and international relocation.

Jim's commercial litigation practice consists of:

  • Business litigation
  • Real estate litigation
  • Construction law litigation
  • Complex civil litigation
  • Client meetings
  • Exploration and development of litigation/settlement strategy
  • Written discovery
  • Motion practice
  • Deposition of lay and expert witnesses
  • Pretrial procedures
  • Preparation of legal memoranda and trial briefs
  • Voir dire
  • All aspects of trial advocacy

Jim's practice also includes a significant focus on all aspects of Mediation and Arbitration, and he remains in the forefront of the utilization of Alternative Dispute Resolution techniques to resolve disputes before resorting to costly and lengthy litigation.

Why Hire Jim Margulis?

What sets Jim apart from other lawyers is his unique expertise in the areas of family law and commercial law, combined with practical solutions to legal problems that apply the right combination of creativity, legal and industrial knowledge, innovation, and commitment. Clients can rely on Jim to be approachable, responsive, effective, and efficient.

Bar Admissions

  • Florida: 1999
  • Missouri: 2003
  • Colorado: 2009


  • Washington University School of Law
    • J.D. May, 1998
  • Southern Methodist University, Dallas, Texas
    • B.A. May 1990
    • Major: Political Science
    • Minor: History

Professional Associations and Memberships

  • Colorado Bar Association; Family Law Section and Real Estate Law Section
  • Boulder County Bar Association; Family Law Section
  • Colorado Lawyers Helping Lawyers