Brian L. Duffy

Brian L. Duffy


Greenberg Traurig

Recognized since 2010

Denver, Colorado

Practice Areas

Commercial Litigation

Litigation - Labor and Employment

Navigate to map location for Brian L. Duffy Call Brian L. Duffy at 303-572-6500
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Brian L. Duffy is a president of the firm and previously served as Chair of the firm’s 600-member Global Litigation Department from 2009-2013. He focuses his practice on trial and appellate work in the class action, employment, energy, commercial contract and product liability areas, serving as national, regional and local counsel in high-profile cases. Brian represents public and privately-held entities and their principals in complex business-related disputes arising from both internal and external sources. Brian focuses on a broad array of industries including consumer goods and retail, food processing and restaurants, and energy and natural resources.

Brian has handled numerous jury and non-jury trials, bench trials, proceedings before arbitration tribunals, mediation sessions, and appeals in state, federal and alternative dispute resolution settings throughout the country.

In class action defense, Brian formulates a case strategy which includes a variety of tactics from arguments to win on summary judgment, defeating class certification, or negotiating a favorable settlement. When necessary, Brian can also build a team to take a case to trial and successfully to verdict. Brian’s objective is to independently analyze claims while developing strategies designed to achieve an early and cost-effective resolution.

Brian’s employment practice includes wage and hour claims, employment breach of contract, discrimination defense, whistleblower and wrongful termination defense. He also assists clients with a variety of contract and business tort and disputes, including breach of contract, breach of fiduciary duty and unfair competition.

Contact & Links
Location
  • 1144 Fifteenth Street, Suite 3300
    Denver, CO 80202
Education
  • University of Colorado at Boulder, J.D., graduated 1991
Bar Admissions
  • Colorado, Colorado Bar Association
Affiliations
  • American Bar Association - Member
  • Colorado Bar Association - Member
  • Denver Bar Association - Member
  • Faculty of Federal Advocates - Member
Federal Clerkships
  • United States District Court

Greenberg Traurig
Headquarters: New York, New York

596 The Best Lawyers in America® awards

285 Best Lawyers: Ones to Watch® in America awards

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Recognized in The Best Lawyers in America® 2025 for work in:
  • Commercial Litigation
  • Litigation - Labor and Employment
Special Focus:
  • Class Actions
Awards:
  • AV Preeminent® 5.0 out of 5
  • Law360 "Appellate Practice Group of the Year," 2010
  • The BTI Client Service All-Star Team for Law Firms, 2010-2011
  • Law360 "Product Liability Practice Group of the Year," 2011
  • Law360 "Employment Practice Group of the Year," 2011 & 2013
  • Super Lawyers magazine, Colorado Super Lawyers, 2006-2013
  • Chambers USA Guide, 2013
Additional Areas of Practice:
  • Litigation - Regulatory Enforcement (SEC, Telecom, Energy)
  • Mass Tort Litigation / Class Actions - Defendants
  • Product Liability Litigation - Defendants

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Publications

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