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Baker Botts L.L.P.

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Stephen Weissman

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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. represents high-profile clients in some of the country’s most important cartel investigations. The 32-strong team was boosted by the return of Stephen Weissman, who rejoined the firm in November 2015 following a tenure as deputy director of the FTC’s Bureau of Competition. The group recently handled matters related to investigations into the autoparts industry, the forex market and the pharmaceuticals sector, representing before the DOJ as well as international antitrust agencies. In a recent price-fixing matter, practice co-head John Taladay successfully represented Philips and PLDS in all aspects of a DOJ investigation. Other notable clients include Dresser-Rand and Caterpillar. Joseph Ostoyich co-chairs the firm’s litigation department. All attorneys are based in Washington DC.

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Civil litigation/class actions

Within: Civil litigation/class actions

Baker Botts L.L.P. is ‘top-notch in terms of overall responsiveness, client service and budget discipline’. The return of Stephen Weissman, who served as deputy director of the FTC’s Bureau of Competition, has ‘considerably strengthened the practice’. The greater part of the group resides in Washington DC, including the ‘highly valuable’ James Kress, John Taladay and Erik Koons, who is praised for his ‘creative approach and excellent substantive knowledge’. Joseph Ostoyich, Thomas Dillickrath, William Henry and William Lavery successfully dismissed, on behalf of Olin Corporation, a direct purchaser class action alleging that the manufacturer had entered into a market allocation agreement in violation of the Sherman Act. Other clients include Philips, Halliburton and the newly won Harold Levinson Associates.

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Merger control

Within: Merger control

Baker Botts L.L.P. handles a steady flow of merger clearance work, often as part of cross-border transactions. Oilfield services company Halliburton retained the firm to assist with antitrust issues surrounding its $34.6bn acquisition of Baker Hughes, with Sean Boland, Paul Cuomo and Thomas Fina taking the lead. Another client is Israel Chemicals, which owns the exclusive mineral rights for the Dead Sea. Stephen Weissman, a former deputy director of the FTC’s Bureau of Competition, rejoined the firm, and now co-chairs the US antitrust practice with John Taladay. The lawyers mentioned are all based in Washington DC.

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