The Legal 500

Twitter Logo Youtube Circle Icon LinkedIn Icon

Baker Botts L.L.P.

Work +1 202 639 7700
Fax +1 202 639 7890
Austin, Beijing, Brussels, Dallas, Dubai, Hong Kong and 8 more

Stephen Weissman

Work +1 202 639 7721
Baker Botts L.L.P.

Work Department

Litigation/ Antitrust Group/ White Collar & Corporate Investigations Group


Stephen Weissman is co-chair of Baker Botts’ Antitrust practice. He recently returned to the firm after serving as the Deputy Director of the FTC’s Bureau of Competition from 2013-2015, where he was involved in the agency’s review of hundreds of merger and non-merger investigations and enforcement actions, covering a wide range of industries. He was lead trial counsel for the FTC in its challenge of a $3.5 billion merger between Sysco Corp. and U.S. Foods Inc. In private practice, he represents companies in high-stakes mergers and antitrust litigation.




District of Columbia Bar; Maryland State Bar; United States Court of Appeals for the Fourth, Sixth, Eighth and Eleventh Circuit; United States District Courts for the District of Maryland, District of Columbia and the Eastern District of Virginia


J.D., University of Pennsylvania Law School, 1994; B.A., Tufts University, 1991

United States: Antitrust


Within: Cartel

Baker Botts L.L.P.’s John Taladay, who is a co-chair of the practice along with Stephen Weissman, is representing the International Air Transport Association (IATA) and 27 airlines in the European Commission (EC) investigation into allegedly restrictive after-market practices by CFM (a joint venture between GE and Safran) and Honeywell in the aviation industry. Members of the team are also acting for Toyoda Gosei in an MDL involving more than 30 individual actions and over 50 individual defendants, and are representing the client as the leniency applicant in the DOJ’s trial against Tokai Kogyo. Heather Choi is experienced in handling criminal and civil enforcement matters initiated by the SEC, DOJ and FTC, among other federal and state enforcement authorities. Other key figures are Erik Koons, James Rill, Joseph Ostoyich and Stacy Turner.

[back to top]

Civil litigation/class actions: defense

Within: Civil litigation/class actions: defense

Baker Botts L.L.P.’s team in the US is jointly led by John Taladay and Stephen Weissman. It covers the full spectrum of behavioral issues which give rise to antitrust litigation, including monopolization, price-fixing, market allocation and patent misuse. Its wide-ranging workload includes civil cartel cases brought by the FTC, class actions involving direct and indirect purchasers, and opt-out litigation. Taladay, Joseph Ostoyich, Erik Koons and William Lavery are representing Eaton Corporation in a series of direct and indirect purchaser class actions over an alleged conspiracy with four truck makers to monopolize the heavy-duty truck transmissions market. James Kress, Stuart Plunkett in San Francisco, Paul Cuomo, and Van Beckwith in Dallas are other key figures. Michael Perry joined from the FTC. Named individuals are based in Washington DC unless otherwise stated.

[back to top]

Merger control

Within: Merger control

Baker Botts L.L.P.’s antitrust practice chair Stephen Weissmanknows the ins and outs of the antitrust regulators in the US’. Weissman’s team, which also includes such names as John Taladay, Sean Boland and Joseph Ostoyich, also assists clients with merger reviews involving the EC and other international agencies. Paul Cuomo is acting for RealPage in the DOJ’s second request review of its proposed $300m acquisition of Lease Rent Options and other assets from The Rainmaker Group, and is also handling the antitrust aspects of the client’s $250m acquisition of OnSite Manager’s assets. In addition, Boland, Weissman and Michael Perry are acting as antitrust counsel to Valero in its proposed acquisition of petroleum storage facilities and distribution terminals in California. All named individuals are based in Washington DC.

[back to top]

Back to index

Legal Developments worldwide

Legal Developments and updates from the leading lawyers in each jurisdiction. To contribute, send an email request to