Matthew J. Douglas

Matt Douglas is a general litigator whose practice focuses on complex civil litigation and environmental matters, including extensive work in the energy and pharmaceutical sectors. His experience includes product liability, environmental, consumer class actions, securities, and antitrust matters. His environmental work has included Natural Resource Damages (NRD) and Clean Water Act litigation. Mr. Douglas has extensive trial and deposition experience, including more than 20 trials and well over 100 depositions. He has served as lead trial counsel in a variety of cases, and has trial experience in Colorado and many other states.

Prior to joining Arnold & Porter LLP in 1998, Mr. Douglas practiced general civil litigation and criminal defense with an emphasis on trial work.

Litigation Representative Matters

  • Current representation of BP with respect to the Deepwater Horizon Gulf of Mexico oil spill, including as counsel to BP for NRD matters and for its internal investigation of the spill.
  • Counsel for a major pharmaceutical company in defense of nationwide mass tort litigation, including multiple trials.
  • Counsel for a major retailer in consumer fraud class action litigation involving attempts by plaintiffs to obtain nationwide recalls of consumer products, including the defeat of class certification in multiple cases.
  • Lead trial counsel in an action opposing a proposed high-voltage transmission line before the Colorado Public Utilities Commission.
  • Lead counsel for a transportation company involving Clean Water Act issues.
  • Lead counsel for an energy company in defense of antitrust litigation, including individual and class action cases.
  • Lead trial counsel in the challenge of a Colorado school voucher program, resulting in the grant of a permanent injunction to stop the program. Argued the case in the Colorado Supreme Court where it is currently pending.
  • Lead counsel for an accounting firm in a securities case, resulting in dismissal of all claims against the client.

Contact Matthew J. Douglas

Arnold & Porter
370 Seventeenth Street
Suite 4400
Denver, Colorado  80202-1370
Phone: (303) 863-2315
Fax: (303) 832-0428


Service Area

Statewide service provider in:
  • Colorado

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