Dispute resolution
Kathy Patrick at Gibbs & Bruns LLP leads several complex commercial litigation matters spanning antitrust, securities, and environmental law. She represents national retailers in a $17bn antitrust suit against Visa and Mastercard, and defends Google in a multistate antitrust case over online advertising practices. Patrick also secured a $40m summary judgment win in a securities dispute involving Occidental Petroleum and Wells Fargo.
Legal 500 Editorial commentary
Accolades
Houston Elite
Mentions
Profile
Position
Partner, Gibbs & Bruns LLP
Career
“Kathy Patrick is a phenomenal trial lawyer.”
“She is super-impressive.”
“Kathy has a very good reputation statewide as a commercial trial lawyer.”
“She has a great reputation and is certainly known in the market.”
– Chambers 2025
“The fantastic Kathy Patrick is a formidable opponent.”
– Legal 500 2025
“I’ve seen her in action and she is phenomenal. You do not want to be on the other side!”
“She is a well-regarded, very good and aggressive litigator.”
“Kathy is a star. We really respect her.”
“Kathy Patrick is a great lawyer with a complex practice. She really is a star and is feared. She is very good at what she does.”
“Kathy is a leader in the litigation space.”
- Chambers 2023 - 2024
Kathy Patrick is Occidental’s ‘go-to’ figure for high-stakes issues.”
- Legal 500 2022
Profiled by Forbes as “the woman Wall Street fears most,” Kathy’s cases run the gamut of high profile, high dollar, and high-risk cases.
As a leading U.S. trial lawyer, Kathy is a Fellow of the International Academy of Trial Lawyers, where she serves on the Board of Directors, and the American College Trial Lawyers -- both are invitation-only organizations whose trial lawyer members have demonstrated the highest standards of trial advocacy, professionalism, and ethical standards throughout their respective careers.
“The law exists to correct inefficiencies and inequalities. We do good in the world when we enforce the law.” – Kathy Patrick, Daily Journal “Leading Commercial Litigators 2024.”
Content supplied by Gibbs & Bruns LLP
Key clients
- Google LLC
- The Target Plaintiffs Group
- Occidental Petroleum
- Occidental Chemical
- Carlyle
- Anadarko Petroleum Corporation
Work highlights
Serving as lead trial counsel in a $17 billion+ antitrust lawsuit against Visa and Mastercard, alleging a conspiracy to fix supracompetitive interchange fees through restrictive network rules.
Serving as lead trial counsel for Google in a multibillion-dollar antitrust and deceptive trade practices lawsuit brought by Texas and 16 other states.
Representing Occidental and Anadarko in a $70 million antitrust class action brought by Wyoming mineral owners, alleging supracompetitive leasing practices that restricted competition.