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Mr. Márquez has practiced law since 2008, almost exclusively in the fields of family law and criminal defense.
After practicing law for nearly ten years at a firm where he was also an owner for several years, he started Márquez Law to redirect his focus on practicing law and not the bottom line.
Mr. Márquez brings a unique set of skills to Colorado family law with an extensive background in the corporate world where he provided operational, technical, management, finance, and legal support to several corporations. His background makes him perfectly suited to work with challenging issues including:
High Conflict
Complex Financials/High Stakes
Domestic Violence
Substance Abuse
Education:
Mr. Márquez acquired a BA from Westmont College where he double majored in Economics & Business and Physics. He went on to acquire an MBA from the University of Colorado at Denver with an emphasis in change management. He acquired his Juris Doctorate from the Denver University Sturm College of Law in 2007 where he was awarded the Outstanding Student Attorney Award and Student Leadership Award.
Strategies:
Mr. Márquez is a Colorado native and was raised in a single family home. His personal appreciation for the plight of single parents in family law cases drives him to advocate for clients no matter what, remaining steadfast and conscientious of the issues in each case. Throughout the entire case, Mr. Márquez is efficient and mindful of his clients’ goals and resources.
Mr. Márquez is analytical, organized and compassionate. He is devoted to diversity, family values and most of all, meticulous preparation of his cases at each stage. Preparation requires a careful and empathetic listener with outstanding interpersonal skill at which Mr. Márquez excels.
With tactful persistence, Mr. Márquez aggressively negotiates agreements, where appropriate, improving the situation of his clients and their families. When aggressive negotiation fails, Mr. Márquez is a confident and successful litigator. Mr. Márquez loves the courtroom but recognizes that clients may fare better with a negotiated outcome that they control.
Mr. Márquez believes that the key to success in family law matters is organization, preparation, and intimate familiarity with each case. Often, this includes tough love, management of client expectations, empathy, and a deep understanding of the law.
Mr. Márquez began as an associate and through hard work and dedication, was promoted to senior associate not too long after in his career. He went on to contribute significantly to the firm’s mentor program and pioneered the use of iPads in the Courtroom. His office is almost entirely paperless. Mr. Márquez became a senior partner in early 2014 and is fully committed to helping his clients start over. Even when a client does not achieve each and every goal, Mr. Márquez is still recognized for his diligence and efforts such that client satisfaction, retention and referrals are exceedingly common.
Community Involvement:
Mr. Márquez is currently the Vice President of the board of directors for Law School…Yes We Can!, which is a pipeline program for college bound students from underrepresented communities who want to be lawyers in an otherwise non-diverse community.
Mr. Márquez has volunteered for Metro Volunteer Lawyers where he assisted pro se litigants in predominantly post-decree matters.
Mr. Márquez has been appointed as a guardian ad litem for the Rocky Mountain Children’s Law Center.
Mr. Márquez also served on the board of the Colorado Criminal Defense Institute which is responsible for educating lawyers and championing changes in the law to protect Colorado’s citizens.
Mr. Márquez was also on the finance committee for the Colorado Criminal Defense Bar.
Mr. Márquez is a member of the Colorado Bar Association, the Denver Bar Association, and the Colorado Hispanic Bar Association.
Mr. Márquez is an active member of the Justice Sotomayor Inn of Court.
6
Practice Areas
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$ 250-350 per hour
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Chat withState: Colorado
Acquired: 2008
No misconduct found
950 South Cherry Street, Suite 508, Denver, CO, 80246
Showing 1 - 5 of 20 client reviews from Avvo
Posted by Eric | July 22, 2025 | Hired Attorney
I hired Jason based on a friends recommendation, and it was one of the worst decisions that I have ever made. I was looking for someone that would fight for me, and that is not what I got. Jason is flashy and organized but not a fighter. I ended up losing quite a bit because he was not effective i...
We appreciate all feedback. We cannot discuss the specifics of your case in this forum. However, the outcome in your case is very aligned with Colorado law despite our extraordinary efforts to secure an outcome disproportionately in your favor.
Posted by Jennifer | April 16, 2025 | Hired Attorney
I hired Jason Márquez to represent me in a modification of my existing decree, and I deeply regret that decision. What should have been a relatively straightforward matter turned into a prolonged, costly, and frustrating experience. Throughout the process, Jason was often late to hearings, which n...
We appreciate all feedback. However, we do not have any record of representing you in this matter and none of the issues raised herein are true.
Posted by anonymous | September 9, 2024 | Hired Attorney
Needed help getting parenting time adjusted from my ex-husband. While it all sounded like it was a slamdunk case, Jason bled me dry with unnecessary filings and motions. He has no desire to work with the opposing counsel, which could have made things go much smoother and cost effective. He was late t...
We appreciate all feedback. However, we do not have any record of representing you in this matter and none of the issues raised herein are true.
Posted by anonymous | June 4, 2024 | Hired Attorney
Working to make changes to current orders. Jason, up front, seemed like he knew what he was doing, I trusted him, took his advice, only to put me into a horrible position with my ex. He was tardy in responding, his advice, no that. I know better, was poor and only to drag matters out longer than ...
We appreciate all feedback. However, we do not have any record of representing you in this matter and none of the issues raised herein are true.
Posted by Derek | January 24, 2024 | Hired Attorney
Wow! I got took! This guy sent me a bill for breathing! He missed TWO, count ‘em, TWO court appearances, and still charged me, AND he lost my case! I will admit, Jason is a charming, articulate young man, but…….”One who overbills , and doesn’t show up” simply doesn’t win the race! My suggestion, kee...
We appreciate all feedback. However, we cannot discuss the specifics of your case in this forum. The outcome in your case was very aligned with Colorado law despite our extraordinary efforts to secure a different outcome. Otherwise, the issues you raise here are either not true or accurate.
"I endorse this lawyer. Jason is sharp and organized.He works hard and gives back to the community."
"I endorse this lawyer. I have had the pleasure of working with Jason as a lawyer, and as a mediator. I have directly observed his skill and compassion as he seeks out the best possible outcome for his clients. He knows the law, and cares about people, to his client's great benefit."
"Jason is a hard working and efficient attorney who always zealously represents his clients. Jason is a technician in both negotiation and the court room which leads to very satisfied clients. He will fight tirelessly for you."
"Mr. Marquez is very throrough and attentive to detail. He is a very zealous advocate of his clients. He is very competent and effective."
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2007
Oustanding Student Attorney Award, University of Denver Sturm College of Law
2007
Student Leadership Award, University of Denver Strum College of Law
2018 - Present
Managing Partner, Márquez Law
2008 - 2018
Senior Partner, Johnson Marquez Legal Group
2018 - Present
Law School...Yes We Can!President
2017 - Present
Justice Sotoymayor Inn of CourtMember
2008 - Present
Rocky Mountain Children's Law CenterGuardian ad Litem
2008 - Present
Colorado Criminal Defense Bar AssociationMember
2008 - Present
Colorado Bar AssociationMember
2008 - Present
Colorado Hispanic Bar AssociationMember
2008 - Present
Denver Bar AssociationMember
2010 - 2014
Colorado Criminal Defense InstituteBoard Member
2008 - 2010
Denver Bar Association, Metro Volunteer LawyersVolunteer Attorney
2007
JD - Juris Doctor
2003
MBA - Master of Business Administration
N/A
BA - Bachelor of Arts
2015
Technology in the Office and Courtroom
2015
Trying Cases with Technology
2013
Early Neutral Assessment
2013
Technology in the Courtroom
2011
Attorney's Liens and Judgments
English
Legal Answers
What does "Party Suppressed" mean??
16 Dec 2019
I am scheduled for initial status conference. I have not been served. How can I reschedule this?
05 Dec 2019
I want to relinquish my rights to my newborn over to her grandmother I don’t want social services involved anymore
16 Oct 2019