Atty. Marni Nathan Kloster

Atty. Marni Nathan Kloster

Marni Nathan Kloster, a native Coloradan, grew up around the law. She comes from a line of attorneys and is very proud to follow in her father's and grandfather's footsteps.

Denver Denver 23 yrs experience 23 year
Call (303) 952-0638 Book Appointment

Profile Summary

About Marni Nathan Kloster at a glance

Marni Nathan Kloster is a Partner based in Denver, Colorado, practicing at Nathan Dumm & Mayer, P.C.. They have 23+ years of legal experience, licensed to practice since 2003. Their practice focuses on employment, zoning, slip & fall, litigation, and civil rights. Admitted to practice in Colorado (2003). Educated at University of Denver (J.D., 2003) and Emory University (B.B.A., 2000). Recognitions include AV Preeminent. Active member of Denver and Colorado Bar Associations Colorado Defense Lawyers Association. Serands clients in Denver, CO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Marni Nathan Kloster, a native Coloradan, grew up around the law
  • She comes from a line of attorneys and is very proud to follow in her father's and grandfather's footsteps
  • While being an attorney is in her genes, hard work, dedication and passion are the guiding principles of her legal practice today
  • Marni graduated, with honors, from Emory University in Atlanta, Georgia, with a Bachelor's Degree in Business Administration
  • She received her law degree from the University of Denver College of Law, again graduating with honors, including the Order of St. Ives
  • She completed her Juris Doctorate in May of 2003 and was admitted to the Colorado Bar in October of 2003
  • Marni worked for this firm for more than two years as a law clerk during law school
  • She became an associate in 2003 and was made a Shareholder of the firm in January, 2007
  • During her tenure with the firm, Marni has specialized in representing governmental entities across the state in a wide variety of matters, although she also does work on other matters as an insurance defense lawyer
  • She has engaged in the defense in a vast number of different types of claims, including but as a few examples, civil rights claims, auto and premises liability claims, land use claims, and numerous employment related matters, including but not limited to First Amendment, Title VII, ADEA, ADA, due process and CADA actions
  • Marni has experience in state District Court, the Colorado Court of Appeals, the Colorado Federal District Court, the Tenth Circuit Court of Appeals, the United States Supreme Court and administrative agencies such as the EEOC and CCRD
  • Marni also has experience in performing employment investigations for employers based upon complaints received from employees and in defending employers during disciplinary hearings
  • Marni is an AV Preeminent rated attorney through Martindale-Hubbell and has been a Super Lawyer Rising Star three different years
  • Beyond prevailing in trials, the following are a handful of some examples of court decisions Marni has been involved in obtaining on behalf of her clients: Along with several other attorneys in this firm, Marni defended the City of Littleton in City of Littleton v
  • Z. J. Gifts D-4, L.L.C., 541 U.S. 774 (2004)
  • Specifically, she assisted with the appeal to the United States Supreme Court, which resulted in a 9-0 decision in favor of the City of Littleton
  • Marni has also been involved in obtaining summary judgment or dismissal with respect to claims against her clients on a number of occasions during her career, such as in Musick v
  • Pickering, 2005 U.S
  • Dist
  • LEXIS 25611 (D
  • Colo. 2005)
  • Rose v
  • City of Lafayette, 2007 U.S
  • Dist
  • LEXIS 9839 (D
  • Colo. 2007)
  • Wilson et. al. v
  • City of Lafayette et al., 2010 WL 1380253 (D
  • Colo. 2010)
  • Duran v
  • City of Monte Vista, 2012 WL 764458 (D
  • Colo. 2012)
  • Benton v
  • Town of South Fork et. al., 2013 WL 1324385 (D
  • Colo. 2013)
  • Lester v
  • City of Lafayette, 2015 WL 881677 (D
  • Colo. 2015)
  • Fisher v
  • Koopman, 693 F. App'x 740, 747 (10th Cir. 2017)
  • Wilk v
  • St. Vrain Valley Sch
  • Dist., 2017 U.S
  • Dist
  • LEXIS 117414 (D
  • Colo
  • July 27, 2017)
  • Tonello v
  • City of Grand Junction, 2020 U.S
  • Dist
  • LEXIS 177788 (D
  • Colo
  • Sep. 28, 2020)
  • 2701 Mt
  • Glen Court, Ltd. Liab
  • Co. v
  • City of Woodland Park, 856 F. App'x 141, 146 (10th Cir. 2021)
  • and Pace v
  • Town of Paonia, U.S
  • Dist
  • LEXIS 251967 (D
  • Colo
  • Dec. 29, 2021)

Practice Areas Explained

Marni Nathan Kloster's Areas of Practice

Each practice area below reflects the types of cases Marni Nathan Kloster handles, with a brief overview of what that area of law covers.

Employment Law

Employment lawyers represent workers in wrongful termination, discrimination, harassment, wage & hour disputes, and severance negotiations.

Marni Nathan Kloster is one of 169,120 employment attorneys indexed nationally. Browse employment attorneys in Colorado →

Land Use & Zoning

Marni Nathan Kloster is one of 40,226 zoning attorneys indexed nationally. Browse zoning attorneys in Colorado →

Slip & Fall / Premises Liability

Marni Nathan Kloster is one of 29,473 slip & fall attorneys indexed nationally. Browse slip & fall attorneys in Colorado →

Civil Litigation

Civil litigation attorneys for breach of contract, business disputes, civil rights, and class action lawsuits.

Marni Nathan Kloster is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Colorado →

Civil Rights

Civil rights attorneys for discrimination, police misconduct, constitutional rights, and civil liberties cases.

Marni Nathan Kloster is one of 70,245 civil rights attorneys indexed nationally. Browse civil rights attorneys in Colorado →

Jurisdictional Context

Why local counsel matters in Colorado

Practicing law in Colorado. Legal matters in Colorado are governed by state-specific rules of civil and criminal procedure, statutes of limitations, and substantive law. Cases originating in Denver are typically filed in the local municipal court or the appropriate Colorado state district court, depending on subject matter and amount in controversy. An attorney licensed in Colorado brings working knowledge of local procedural deadlines, judicial practices in this andnue, and the substantive law that applies to cases brought here. Out-of-state attorneys generally cannot represent clients in Colorado courts without local counsel or pro hac vice admission.

Looking for additional Colorado attorneys? Browse all attorneys in Denver or all attorneys in Colorado.

Frequently Asked

Common questions about Marni Nathan Kloster

Where is Marni Nathan Kloster's law office located?
Marni Nathan Kloster's law practice is located in Denver, Colorado. The firm is Nathan Dumm & Mayer, P.C.. You can contact the office directly through this profile page.
What practice areas does Marni Nathan Kloster handle?
Marni Nathan Kloster focuses on employment, zoning, slip & fall, litigation, civil rights. Each practice area listed reflects experience handling cases of that type in Colorado.
How long has Marni Nathan Kloster practiced law?
Marni Nathan Kloster has 23+ years of legal experience and has been licensed since 2003.
Where did Marni Nathan Kloster go to law school?
Marni Nathan Kloster earned their education at (J.D., 2003); (B.B.A., 2000).
How can I contact Marni Nathan Kloster for a consultation?
You can contact Marni Nathan Kloster directly through this profile page. Click "Ask the Attorney" to submit a question, or "Schedule a Consultation" to book a meeting. Most claimed-profile attorneys respond within one business day.
What awards or recognition has Marni Nathan Kloster received?
Marni Nathan Kloster's notable recognition includes: AV Preeminent.

Education

J.D.
University of Denver
- 2003
B.B.A.
Emory University
- 2000

Awards

AV Preeminent

Bar Admissions

Colorado
Admitted: 2003

Reviews

4.5
21 Review
5 0
4 0
3 0
2 0
1 0
These reviews belong to platform users; they do not constitute advertisement or promotion for the attorney. Opinions are published for informational purposes only.

No reviews yet.