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William Blumenthal

William Blumenthal
1501 K Street NW
District of Columbia
+1 202 736 8030


Who's Who Legal Competition: Lawyers

Bill Blumenthal is a partner in the Washington DC office of Sidley Austin LLP. From 2005 to 2009, Mr Blumenthal served as the general counsel of the Federal Trade Commission. He advises clients across a range of industries on all aspects of antitrust law, including mergers and acquisitions, joint ventures, horizontal and vertical restraints, monopolisation, predatory pricing, and distribution agreements. In addition to his ongoing work in the United States, he is particularly well known for his expertise with competition law in major jurisdictions in Asia.

Mr Blumenthal is a frequent speaker and is the author of numerous articles that have been published in California Law Review, George Washington Law Review, Antitrust Law Journal, Antitrust Bulletin, Regulation, the McGraw Hill Mergers and Acquisitions Handbook, the Lexis Nexis Antitrust Report and other publications. He was the principal author of the ABA monograph Horizontal Mergers: Law and Policy and the project leader for the initial edition of the ABA guidebook The Merger Review Process.

Mr Blumenthal served as vice chair of the American Bar Association's section of antitrust law, as the section's international officer, as chair of the section's committee responsible for mergers, and as vice chair of the committee responsible for restraints of trade. He has been active in the work of the International Competition Network, the OECD, the International Chamber of Commerce and US Chamber of Commerce.

Mr Blumenthal received his JD from Harvard Law School and an AB and MA (economics) from Brown University.

WWL says: An "eminent figure" in the market with "unassailable credentials"

This biography is an extract from Who's Who Legal: Competition which can be purchased from our Shop.

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W11 1QQ, UK