Barrett Reasoner at Gibbs & Bruns LLP continues to lead high-stakes commercial disputes across sectors including retail, energy, and legal services. He currently serves as lead trial counsel for major U.S. retailers in a $17bn antitrust action against Visa and Mastercard. His docket includes a $200mmalpractice defense for Winston & Strawn LLP and a $90 million trade secret dispute that was resolved favorably. Reasoner maintains a balanced plaintiff-defense practice, regularly handling complex, high-value matters nationwide.
Legal 500 Editorial commentary
Phone
713.751.5244
Email
Profile

Accolades

Houston Elite

Profile

Position

Partner, Gibbs & Bruns LLP

Career

“Highly celebrated name[s] for major disputes…known for his exceptional work in the energy sector.”

- Legal 500

“Barrett has a type of demeanor that relates very well to juries and he is very effective in preparation for trial.”

“Barrett Reasoner is always professional, ethical and civil. He is well prepared and does an excellent job.”

- Chambers USA, 2025

“He is effective in resolving matters and I enjoy working with him. He is critical in helping us reach favorable resolutions.”

“Barrett is incredibly talented. He is a very good trial lawyer, understands exactly the result we want and is ruthless in his approach.”

“Barrett prepares very well. He relates with juries, takes a difficult topic and makes it easy for a jury to understand.”

“He’s a very good trial lawyer,  He has a very calm and collected way of looking at cases and a very efficient approach.”

“He’s a fantastic lawyer who is great in court.”

“An excellent all-round attorney and person”

- Chambers 2023-2024

“Barrett Reasoner might be one of the best trial lawyers I’ve ever seen extols a peer.”

- Benchmark Litigation

Barrett is a preeminent trial lawyer who handles an incredibly diverse trial docket, including energy, oil and gas, construction, environmental, securities, intellectual property and private client matters.  Barrett is a Fellow in the American College Trial Lawyers, the International Academy of Trial Lawyers, and The International Society of Barristers.

Bio Link

Barrett and his sister Macey Reasoner Stokes are the 2025 recipients of the prestigious “Karen H. Susman Jurisprudence Award” from the ADL Southwest chapter; the award is presented annually to and “outstanding member of the legal community who exhibits a commitment to equality, justice, fairness and community service.”

Content supplied by Gibbs & Bruns LLP

Key clients

  • The Target Plaintiffs Group
  • Occidental Petroleum
  • Anadarko Petroleum Corporation
  • Winston & Strawn LLP
  • WaterBridge Resources LLC
  • Kerr-McGee Oil & Gas Onshore LP

Work highlights

Lead trial counsel in a $17 billion+ antitrust suit against Visa and Mastercard over alleged price-fixing of interchange fees.
Defending Winston & Strawn LLP in a $200m legal malpractice and fiduciary duty suit related to an oil and gas transaction.
Represented WaterBridge in a $90 million lawsuit brought by former vendor SitePro, involving claims of trade secret misappropriation, patent infringement, and contract breaches related to SCADA systems for water disposal facilities.