Barry D. Trebach

Partner Emeritus

District of ColumbiaMaryland


District of Columbia

1233 20th St. NW

Washington, DC 20036

Practice Areas

Alternative Dispute Resolution

Construction & Construction Defects


Food & Beverage Liability


Professional Liability



Food & Beverage Liability


Barry is a Founding Partner of the firm and was the firm’s Managing Partner for over 20 years.  Barry was born in Brooklyn, New York and made Washington, DC his home after he graduated from the Antioch School of Law and completed a Judicial Clerkship with Judge Frederik H. Weisberg of the D.C. Superior Court. Barry has defended corporations in national and local litigation involving matters ranging from serious professional liability claims to substantial mass tort claims.  Barry has served as lead counsel in many notable matters, including the “Hot Coffee” case, the DC Yellow Line mass transit incident, food borne illness outbreaks, and a diverse range of medical malpractice and product liability cases. 

Barry has served as a mediator or arbitrator since 1986 for the District of Columbia Superior Court, the District of Columbia Court of Appeals, the United States District Court for the District of Columbia and the Maryland Alternative Dispute Resolution Health Claims Board. 

He has lectured and presented to lawyers, doctors, food industry leaders, and insurance companies on the defense of claims and on various litigation techniques. He has lectured at Rutgers University Medical School (formerly the University Medical and Dental School of New Jersey), the American Psychoanalytical Association, The Robert Wood Johnson Medical School, the Virginia Defense Lawyers Association, the Association for Professionals in Infection Control and Epidemiology, the Grocery Manufacturer Association’s Annual Litigation Conference and client sponsored litigation conferences.

Court Admissions

  • District of Columbia
  • Maryland
  • U.S. District Court for the District of Columbia
  • U.S. District Court for the District of Maryland

Notable Matters

  • Defended a major metropolitan transit agency in mass tort event resulting in over 200 claims.
  • Defended a national dialysis provider against claims that clinic water systems suffered from inadequate disinfection.
  • Liebeck v. McDonald’s Restaurants, et al. (the “Hot Coffee” case).
  • United States of America v. Michael F. Zanakis.


  • Antioch School of Law, J.D., 1981
  • Vassar College, B.A., 1976
  • Judicial Law Clerk, Honorable Frederick H. Weisberg, of the Superior Court of the District of Columbia, 1981

Professional & Community Affiliations

  • Court-appointed Mediator for the United States District Court for the District of Columbia.
  • Court-appointed Mediator for the District of Columbia Court of Appeals 
  • Panel Chairman for the Maryland Health Claims Arbitration Office
  • DC Defense Lawyers Association
  • The Counselors
  • Voting delegate to the District of Columbia Judicial Conference
  • Past member of the Fahy Inn of Court
  • Friends of Bethesda-Chevy Chase High School Baseball (“FOBB”), member