Baker Botts LLP

Joseph A Ostoyich

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Practice Areas

Joseph Ostoyich is a senior partner of the firm, member of the firm’s Executive Committee and former Chair of the Washington, D.C. Litigation Department. He has nearly thirty years of experience representing some of the world’s leading companies in bet-the-company price fixing, monopolization and the full gamut of antitrust litigation. He also advises on non-merger criminal and civil investigations across diverse industries, and represents parties in merger reviews by the DOJ, FTC, European Commission and government authorities worldwide.


Having recently led the trial team against the FTC defending a leading distributor of dental equipment and supplies, Joe’s many victories include receiving a defense verdict as lead trial counsel in In re McWane, Inc., summary judgment in a case alleging a decade-long conspiracy to fix natural gas prices, defeating class certification in several cases, and dismissal of three lawsuits challenging the AT&T-Time Warner merger.

Professional Memberships

Recognized as a leading antitrust lawyer by numerous legal directories; member of the ABA and Antitrust Council of the U.S. Chamber of Commerce; District of Columbia and New York Bars; and numerous federal district courts, Courts of Appeals, and the U.S. Supreme Court.



J.D., University of Chicago Law School; B.A. (with distinction), Cornell University.


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Merger Control 2020 Trends and Developments in USA

Joseph Ostoyich, Jeffrey Oliver, Rachel Rasp

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