
Houston-based Gibbs & Bruns LLP is particularly prominent in commercial litigation in the energy sector, and the firm is equally skilled in jury trials, commercial settlements and arbitration proceedings, and has acted in the Texas Business Court and before an array of national courts. Other specialist areas in which the firm has experience in litigation span legal malpractice cases, where the group has established relationships with national full-service firms; banking and securities disputes for both defendants and plaintiffs; and class action suits in the technology sector. With a deep and experienced bench, the practice heads are Kathy Patrick, who has acted as lead trial counsel in antitrust class actions for claimants and defendants alike and on a range of high-value civil lawsuits, Barrett Reasoner, who leads on private client, breach of contract disputes, and malpractice claims, energy litigation specialist Michael Absmeier, and Ashley Kleber, who represents law firms, energy companies, and private clients. Firm founder Robin Gibbs also integrates his oil & gas transactional experience on major pieces of commercial litigation.
Legal 500 Editorial commentary
Accolades
Client satisfaction: Lawyer & team quality
Client satisfaction: Billing & efficiency
Key clients
- Google LLC
- “The Target Plaintiffs”
- Occidental Petroleum Corporation
- Pacific Investment Management Company
- Am Law 50 firm
- Carlyle
- Ryan, LLC
- X Corp.
- Kinder Morgan
- Atlas Sand
- Cockrell Investment Partners, L.P.
- Anadarko
Work highlights
Serving as replacement lead trial counsel for Google in a multistate antitrust and DTPA action brought by Texas and sixteen other states alleging monopolization of the online advertising technology market.
Serving as lead trial counsel for a group of seventeen major U.S. retailers, known as “The Target Plaintiffs,” in long-running antitrust litigation alleging Visa and Mastercard conspired with issuing banks to fix interchange fees and restrain competition in the payment-card market
Serving as lead defense counsel to an AM Law 50 firm in high-stakes legal malpractice and fiduciary-duty dispute brought by the bankruptcy trustee of failed fintech startup With Purpose Inc.
Lawyers
Leading partners
The strongest partners in their field, leading on market-leading deals and endorsed by peers and clients alike.

Leading associates
Leading associates with regular involvement in their team's key work, and recognition from peers or clients as being ones to watch.
Practice head
Kathy Patrick; Barrett Reasoner; Mike Absmeier; Ashley Kleber
Other key lawyers
Robin Gibbs

