Brian L. Duffy - Greenberg Traurig LLP

Brian L. Duffy

Listed in Best Lawyers since 2010
Phone: 303-572-6545

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.

University of South DakotaBS 1988University of Colorado Law SchoolJ.D. 1991
Faculty of Federal AdvocatesDenver Bar AssociationColorado Bar AssociationAmerican Bar Association

Case History

Areas of Concentration
  • Trial
  • Appellate

Other Court Admissions
  • U.S. Court of Appeals for the Ninth Circuit
  • U.S. Court of Appeals for the Tenth Circuit
  • U.S. District Court for the District of Colorado
Significant Representations
  • Acted as national coordinating counsel for Fortune 50 company in defense of approximately 70 wage and hour class actions.
  • Acted as lead defense counsel in multi-district litigation proceeding involving 35 putative wage and hour class actions.
  • Acted as lead defense counsel in MDL proceeding involving approximately 50 putative consumer class actions arising out of the sale of motor fuel.
  • Defended over 200 class actions covering nearly every type of consumer and business issue.
  • Represented company in proceedings related to alleged violations of immigration laws, including governmental and internal investigations, related civil litigation and compliance programs.
  • Represented companies alleged to have violated the Foreign Corrupt Practices Act (FCPA), including design and implementation of compliance programs, and related internal investigations.
  • Represented major energy company in three-week breach of contract trial involving a defective piece of mining equipment which resulted in judgment of $30 million in favor of our client. 
  • Represented major pipeline company in seven week jury trial arising out of a pipeline rupture and explosion which resulted in the deaths of twelve people. The jury returned a defense verdict on all claims.

Office Location

The Tabor Center, Suite 2400
1200 17th Street
Denver, CO 80202
United States

Practice Areas

Commercial Litigation (Class Actions)
Litigation - Labor and Employment

Other Information

Gender: Male