About
Adam P. O’Brien is a partner at Thompson, Coe, Cousins & Irons, LLP in Denver, Colorado. His trial practice covers complex commercial litigation, real estate and title disputes, product liability defense, construction litigation, and insurance disputes. He has represented clients in more than a dozen jurisdictions. His work includes lead trial counsel roles in state and federal courts and arbitration, giving clients representation across several forums for resolving disputes.
Adam earned a B.A. in Philosophy from Creighton University and a J.D. from the University of Iowa College of Law. His law school activities included the Journal of Transnational Law and Contemporary Problems. That academic background supports careful analysis of competing arguments and the preparation of written advocacy. He was admitted in Colorado in 2006 and also practices before the federal district court in Colorado and the Tenth Circuit.
Adam’s representative results include summary judgment for Auto-Owners Insurance Company in three consolidated bad faith cases seeking more than $3 million. He also obtained a defense verdict for a property owner in a premises liability case involving claimed damages of several million dollars. His experience extends to construction disputes for developers and contractors, requiring attention to the contracts, factual records, and financial exposure underlying each claim.
Adam P. O’Brien has argued before the Colorado Court of Appeals, Colorado Supreme Court, and Tenth Circuit. He has been recognized in Best Lawyers in America and Colorado Super Lawyers. His professional activities include the International Association of Defense Counsel and Colorado Defense Lawyers Association. Through trial and appellate work, he helps clients address both the immediate dispute and the legal issues that can remain important after a trial court’s decision.
Law Office Affiliations
- Partner, Thompson, Coe, Cousins & Irons, LLP
- Member, Colorado Bar Association
- Member, Colorado Defense Lawyers Association
- Member, Denver Bar Association
- Member, Faculty of Federal Advocates
- Member, International Association of Defense Counsel (IADC)
- Member, Defense Research Institute
Licensed State
- Colorado
Education
- University of Iowa College of Law
Juris Doctor (JD) - Creighton University
Bachelor of Arts (BA)
Awards & Badges






- Alternative Dispute Resolution
- Appeals
- Arbitration
- Business Litigation
- Construction & Development
- Insurance
- Lawsuits & Disputes
- Litigation
- Products Liability
- Property Disputes
- Real Estate
- Slip & Fall Accidents
- Title & Boundary Issues







