Atty. Jason R. Dunn

Atty. Jason R. Dunn

Former United States attorney and Colorado deputy attorney general. Seasoned counselor and litigator for clients facing federal and state government investigations and internal investigations.

Call (303) 223-1100 Book Appointment

Profile Summary

About Jason R. Dunn at a glance

Jason R. Dunn is a business, litigation, and government attorney based in Denver, Colorado, practicing at Brownstein Hyatt Farber Schreck LLP. Educated at University of Colorado at Boulder (J.D., 2001). Recognitions include Best Lawyers in America — Commercial Litigation (2026), Best Lawyers in America — Government Relations Practice (2026), and Best Lawyers in America — Additional Areas of Practice: (2026). Serands clients in Denver, CO and the surrounding metropolitan area.

Verified attorney profile · Updated June 2026

About

  • Former United States attorney and Colorado deputy attorney general
  • Seasoned counselor and litigator for clients facing federal and state government investigations and internal investigations
  • Recognized political law advisor to corporations and nonprofits on campaign finance, election and ballot initiative law
  • Throughout his time as United States attorney, deputy attorney general of Colorado and years of private practice, Jason Dunn has handled some of the highest-profile cases in Colorado
  • As the top federal law enforcement official in Colorado, Jason led an office of 200 attorneys and staff prosecuting high-profile criminal and civil matters on behalf of the United States
  • He and his team fought cybercriminals and brought numerous actions under the False Claims Act (FCA), the Controlled Substances Act (CSA), International Traffic in Arms Regulations (ITAR) and other civil and criminal statutes
  • He helped lead the Department of Justice’s Procurement Collusion Strike Force and served on the Attorney General’s Advisory Committees for Cybercrime & Intellectual Property and Terrorism & National Security
  • This experience gives him unique insight into the trial tactics and decision-making process at the highest levels of government investigations and litigation
  • Jason’s legal practice encompasses counseling a wide range of corporations, business groups, trade associations and nonprofits on government, internal and white-collar investigations, regulatory and compliance issues, and cybercrime
  • Drawing on his experience in multiple leadership positions, Jason assists clients involved in state attorneys general investigations, and he continues to advise clients on the intricacies of federal and state campaign finance and election law
  • Jason co-chairs the firm’s State Attorneys General practice group and the Government Investigations & White Collar Defense practice group

Practice Areas Explained

Jason R. Dunn's Areas of Practice

Each practice area below reflects the types of cases Jason R. Dunn handles, with a brief overview of what that area of law covers.

Business & Corporate Law

Business attorneys advise founders and growing companies on entity formation, contracts, financing, M&A, and dispute resolution.

Jason R. Dunn is one of 501,317 business attorneys indexed nationally. Browse business attorneys in Colorado →

Civil Litigation

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

Jason R. Dunn is one of 454,532 litigation attorneys indexed nationally. Browse litigation attorneys in Colorado →

Government & Administrative Law

Attorneys for administrative law, agency hearings, government contracts, licensing, and public benefits.

Jason R. Dunn is one of 132,225 government attorneys indexed nationally. Browse government 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 Jason R. Dunn

Where is Jason R. Dunn's law office located?
Jason R. Dunn's law practice is located in Denver, Colorado. The firm is Brownstein Hyatt Farber Schreck LLP. You can contact the office directly through this profile page.
What practice areas does Jason R. Dunn handle?
Jason R. Dunn focuses on business, litigation, government. Each practice area listed reflects experience handling cases of that type in Colorado.
Where did Jason R. Dunn go to law school?
Jason R. Dunn earned their education at (J.D., 2001).
How can I contact Jason R. Dunn for a consultation?
You can contact Jason R. Dunn 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 Jason R. Dunn received?
Jason R. Dunn's notable recognition includes: Best Lawyers in America — Commercial Litigation; Best Lawyers in America — Government Relations Practice; Best Lawyers in America — Additional Areas of Practice:; Best Lawyers in America — Criminal Defense: White-Collar.

Education

J.D.
University of Colorado at Boulder
- 2001

Awards

Best Lawyers in America — Commercial Litigation
- 2026
Best Lawyers in America — Government Relations Practice
- 2026
Best Lawyers in America — Additional Areas of Practice:
- 2026
Best Lawyers in America — Criminal Defense: White-Collar
- 2026

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