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Organization Profile


Partner, Paul Hastings
San Francisco, California

Experience & Areas of Interest:

Tom Brown is a partner in Paul Hastings' Antitrust and Competition and the Global Banking and Payments Systems practices. Tom’s practice focuses on competition law and legal issues affecting the financial services industry. Tom has been litigating cases, including class actions, in the financial services industry for more than a decade.

Immediately prior to joining Paul Hastings, Tom was partner at O’Melveny’s San Francisco office and a member of the Financial Services group. Before joining law firm practice, Tom was Vice President, Senior Counsel at Visa U.S.A. Inc. There he was responsible for managing the aftermath of the settlement in In re Visa Check/MasterMoney Antitrust Litigation, including the dozens of consumer class actions that were filed following the settlement. He was also deeply involved in the company’s still ongoing transformation from a co-op to a shareholder owned company.

Tom is a recognized authority on consumer payments and antitrust law. He is currently teaching a course at Boalt Hall on The Law and Policy of Modern Consumer Payments.Tom is frequently quoted in American Banker, The New York Times, and The Wall Street Journal, among other publications.


  • University of Chicago, J.D., John M. Olin Student Fellow of Law and Economics Member, Law Review
  • Columbia University, A.B., Economics-Mathematics, cum laude

Competition Policy in Consumer Financial Services: The Disparate Regulation of Online Marketplace Lenders and Banks
A Tribute, of Sorts, to William F. Baxter’s “Bank Interchange of Transactional Paper”
Joint Ventures and the Sherman Act: The Problem Revealed by American Needle and How Best to Address It
American Needle v NFL: Charting An Uncertain Future
Joint Ventures and the Sherman Act: The Problem Revealed by American Needle and How Best to Address It
Antitrust and the Real Estate Industry: Looking Backwards and Forwards
linkLine v. SBC: Back to the Future?
Antitrust and Real Estate: A Two-Sided Approach