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Licensed in Colorado, Florida and Missouri
James S. Margulis is an attorney at Feldmann Nagel Cantafio Margulis, PLLC in the Boulder/Denver office, where he practices Family Law, including, but not limited to:
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.
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 of St. Louis County. 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.
Jim then returned to St. Louis and attended Washington University School of Law.
After graduating in 1998, he moved to Florida and worked exclusively in Family Law for four years.
Jim's family law practice consists of Protections Orders, Paternity Actions, Enforcement Actions, Modification Actions and simple to very complex Dissolutions. Jim's experience encompasses contested complex financial cases (utilizing forensic accountants) and complex custody matters (including national and international relocation cases). Further, Jim's experience includes the entire spectrum of family law litigation including, but not limited to initial client meetings, all discovery compliance and execution, temporary orders hearings, expert witness utilization and permanent orders hearings.
In 2003, Jim returned home to St. Louis, and continued his family law practice, but also expanded into commercial litigation matters.
Jim's commercial litigation practice consists of business litigation, real estate litigation, construction law litigation and other complex civil litigation. Jim's practice consists of all aspects of complex civil litigation including, but not limited to client meetings and exploration and development of litigation/settlement strategy, written discovery, motion practice, deposition of lay and expert witnesses, pretrial procedures, preparation of legal memorandums and trial briefs, voir dire and all aspects of trial counsel.
In 2009, Jim re-located to Boulder, Colorado and continued to focus his practice on Family Law Matters and Commercial Law Matters.
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. 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, efficient, and effective.
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Chat withState: Missouri
Acquired: 2004
State: Colorado
Acquired: 2009
Lawyer disciplined by state licensing authority in 2022
State: Florida
Acquired: 1999
1875 Lawrence St., Suite 730, Denver, CO, 80202
5 Client Reviews
Showing 1 - 5 of 5 reviews
Posted by anonymous | February 17, 2026 | Hired Attorney | Child Custody
Not as strategic and focused as he presented during the consultation
Hired Jim in 2018 to assist with parenting time (custody) and decision rights for my stepson. As part of the proceedings, we had to work with a court-ordered, neutral third-party who interviewed and compiled a report of both sides' accounts, etc. These reports should have been thoroughly reviewed bef...
Posted by Rebekah | February 19, 2017 | Hired Attorney | Child Custody
Mr. Margulis is AMAZING!
I hired James Margulis after fleeing with my children from California to get out of an abusive marriage. Mr. Margulis immediately knew what we needed to do to ensure my husband was unable to come and take the children from me. Within 24 hours he had filed all needed paperwork and I was on my way to...
Posted by Bethany | January 19, 2017 | Hired Attorney | Family
JIM MARGULIS AND TEAM ARE INCREDIBLE
Jim and his associates are thorough, brilliant, and fought ferociously on my family's behalf. I both consulted and hired this team and I could NOT have been more pleasantly surprised! They metaphorically held my hand through a very difficult, very tumultuous time. I felt, and feel, so safe and inform...
Posted by Lauren | December 06, 2016 | Hired Attorney | Divorce & Separation
Great Attorney
I live in Steamboat Springs, CO, and Jim handled my higher income, somewhat contentious divorce. Jim did a fantastic job. He not only gave me great legal advice, but he also helped me get some perspective and make good decisions. I have recommended Jim to several of my friends who have also been v...
Posted by Scott | November 22, 2016 | Hired Attorney | Divorce & Separation
Attorney Review
James has been the most knowledgeable and attentive attorney I've ever worked with. He saw me through my initial divorce and now with my on going high conflict custody litigation, James continues to impress me with his pro-active approach to my case. Although he's a straight shooter and plays hard ba...
"Jim is a caring, hard working, focused, attorney who listens to his clients needs and strives to accomplish their goals."
"I endorse this lawyer. Jim is a highly sought after divorce attorney who brings compassion and aggressive advocacy to all of his client matters. He obtains superior results for his clients and I highly recommend him!"
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This lawyer was disciplined by a state licensing authority in 2022.
Disbarment issued in CO, 2022
updated on 06/16/2022This is the most serious penalty for a lawyer. If this attorney is currently practicing law, you should contact the Colorado Supreme Court to understand the reasons for this disbarment.
Immediate Suspension issued in CO, 2021
updated on 01/03/2022Suspension means an attorney lost his or her license to practice law for a period of time. The attorney typically returns to practicing law when the suspension expires.
Suspension Stayed Placed on Probation issued in CO, 2013
updated on 03/28/2017Suspension stayed means the attorney has been disciplined, but that the suspension is placed on hold (and ultimately removed) if the attorney complies with probation requirements.
“Before the Presiding Disciplinary Judge ("the Court") is a "Notice of Successful Completion of Probation Pursuant to C.R.C.P. 251.7(f)lw filed by Office of Attorney Regulation Counsel ("the People"), on January 7, 2016.”
2013 - Present
Managing Partner (Boulder Office), Feldmann Nagel Cantafio Margulis, PLLC
2011 - 2013
Attorney, James S. Margulis P.C.
2007 - 2011
Partner, Goulart & Margulis, PC
2009 - Present
Colorado Bar AssociationMember
Member
Member
Member
Member
1998
JD - Juris Doctor
1990
BA - Bachelor of Arts
English