Ron Breaux



Education and Clerkships

J.D., Southern Methodist University Dedman School of Law, 1989, SMU Law Review, 1987-1989

B.S., Louisiana State University, 1986



Court Admissions

United States Supreme Court

U.S. Court of Appeals for the Fifth Circuit

U.S. Court of Appeals for the Eighth Circuit

U.S. District Court for the Eastern District of Texas

U.S. District Court for the Northern District of Texas

U.S. District Court for the Southern District of Texas

U.S. District Court for the Western District of Texas


For nearly 30 years, Ron Breaux has focused his practice on complex commercial litigation, the defense of corporations and executives in federal investigations and trials, antitrust, internal corporate investigations and government investigations, and data breach matters. Ron is a former co-chair of the firm's Litigation Practice Group and currently chairs the firm's Privacy and Data Security Practice Group and serves on the board of directors of Haynes and Boone.

Professional and Community Activities

  • ABA Litigation Section
    • Former Managing Director
    • Former Council Member
    • Former Co-Chair, Antitrust Litigation Committee
    • Former Co-Chair, Task Force on the Judiciary
  • Dallas Bar Association
    • Former Antitrust Section, Chairman
    • Former Criminal Justice Section


Chambers USA 2020

Chambers USA Recognizes 58 Haynes and Boone Lawyers

58 Haynes and Boone lawyers spanning 17 practice areas are featured in the 2020 edition of the Chambers USA legal directory published by Chambers & Partners.

Selected Publications and Speeches

  • "Practical Guidance for Preparedness and Response," speaker, The University of Texas Law School 2016 Essential Cybersecurity Law Conference, August 19, 2016.
  • "How to Succeed in SEC Administrative Proceedings: 10 Insider Tips," presenter, Bloomberg BNA Webinar, November 5, 2015.
  • "Cybersecurity: Proactive Steps to Minimize Liability," presenter, University of Texas Government Enforcement Institute in Dallas, Texas, May 14, 2015.
  • "Cyber Attacks - Are You Prepared?" presentation to public and private clients in Dallas, April 14, 2015.
  • "Practical Tips on Preventing, Managing, and Insuring for Data Breaches,” panelist, Houston Cybersecurity panel, February 18, 2015.
  • "Data Security Law: Predictions for 2015," The Privacy Advisor, January 27, 2015.
  • "Cybersecurity for In House Counsel: Protecting Your Digital Assets in Today’s Threat Landscape," presenter Haynes and Boone clients, January 22, 2015.
  • "A Focus on Cybersecurity Litigation Risks and Liabilities," presenter, the General Counsel Forum, November 6, 2014. 
  • "A Guide to Data Protection and Breach Response—Part 2," author, Intellectual Property & Technology Law Journal, Vol. 26, No. 8, August 2014. 
  • "A Guide to Data Protection and Breach Response—Part 1," author, Intellectual Property & Technology Law Journal, Vol. 7, No. 3, July 2014. 
  • "What You Need to Know About Data Security and Cyber Insurance: Practical tips on preparing for and responding to a cyber security breach," presented to public and private company clients, Dallas, Texas, June 26, 2014. 
  • Presentation to Bank of America Private Client Group on Cybersecurity and Cyber Loss Prevention on May 7, 2014. 
  • "Cyber Liability and Loss Seminar," presented to public and private company clients, Austin, Texas, April 22, 2014. 
  • "Best Practices in Trade Secrets Litigation," presented to public company and private company clients in Dallas/Forth Worth, Texas. 
  • "Anti-Corruption Compliance: A Focus on the Foreign Corrupt Practices Act," presenter, the Institute for Internal Auditors.  
  • "Cyber Security for Law Firms," presenter, Law Firm Data Security Roundtable. 
  • "Under Penalty": Production of Documents in Response to Federal Grand Jury Subpoenas, presenter, Corporate Counsel Section of the State Bar of Texas. 
  • "Protecting Your Privileges: The Attorney-Client Privilege and Work Product Doctrine," presenter, Haynes and Boone clients. 
  • "Issues in White Collar Criminal Investigations," presenter, DFW Chapter of the American Corporate Counsel Association. 
  • "Parallel Civil and Criminal Proceedings: How Deep is Deep?" presenter, Corporate Counsel Section of the State Bar of Texas. 
  • "Ethical Considerations in Internal Corporate Investigations," presenter, Corporate Counsel Section of the State Bar of Texas.
  • "Indirect Purchaser Litigation Handbook," co-editor, ABA Section of Antitrust Law.

Professional Recognition

  • Recognized as a "Lawyer of the Year" in Antitrust Litigation by Best Lawyers, Woodward/White, Inc., 2015 and 2018
  • The Best Lawyers in America, Woodward/White, Inc. - Antitrust Law, 2006, 2010, 2012-2021, Litigation - Antitrust, 2012-2021, Criminal Defense: White Collar, 2014-2021, Commercial Litigation, 2016-2021, and Commercial Antitrust, 2016-2017
  • Recognized by Chambers USA, Chambers & Partners, as one of the leading practitioners for Antitrust in the United States, 2008-2014; in Texas, 2015-2021; and in Texas, White Collar, 2018-2021
  • Recognized in "Best Lawyers in Dallas" by D Magazine, D Magazine Partners, for White Collar Defense, Antitrust Law, 2011, and White Collar, 2016, 2018-2020, Securities Litigation & Enforcement, 2021
  • Texas Super Lawyers, Thomson Reuters - Antitrust Litigation, 2010-2020, Criminal Defense: White Collar, Business Litigation, 2011-2016
  • Martindale Hubbell® Law Directory with a Peer Review Rating of AV® Preeminent™

Selected Client Representations

  • Internal investigation of data security breach at high profile specialty retailer that implicated payment card information and personal identifying information; counsel client on numerous post-breach issues including disclosure obligations, public disclosure, negotiation of fraud recovery and operational reimbursement fines and penalties with card brands, and related counseling regarding collateral litigation; counsel client on insurance coverage for breach-related expenses.
  • Internal investigation and remediation of a data security breach at a Fortune 50 company; civil prosecution of entity responsible for the security breach.
  • Investigation of criminal spear-phishing attack used to steal funds from public oilfield services technology company; direct forensic investigation of attack; counsel client on disclosure obligations and remediation efforts.
  • Tried to favorable verdict antitrust and RICO action for national health care provider.
  • Successful defense of corporate executives in numerous civil and criminal international cartel litigation.
  • Successful defense of hedge funds and executives in numerous insider trading investigations by the SEC.
  • Successful defense of CEO of public company in stock options backdating lawsuit by the SEC. 

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