William Blumenthal

Partner

Sidley

Office Phone:

(202) 736-8000

Direct Phone:

(202) 736-8030


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Bio

William Blumenthal, a former General Counsel of the Federal Trade Commission, advises clients across a range of industries on all aspects of antitrust law, including mergers and acquisitions, joint ventures, horizontal and vertical restraints, monopolization, predatory pricing and distribution agreements. He also counsels on consumer protection issues such as privacy, identity theft, financial practices, and advertising and marketing practices. Bill serves on the firm’s COVID-19 Task Force. In surveys conducted by Chambers, Global Competition Review, Who’s Who Legal, The Legal 500 and other organizations, Bill has been ranked over the years among the world’s foremost competition practitioners. Chambers has described him as “an ‘incredibly bright,’ ‘deep antitrust thinker’ with a great deal of experience in the area” and “very intricate, detailed, comprehensive knowledge” of government agencies. In Best Lawyers in America clients describe him as “among the best antitrust practitioners in the U.S.” and “a strategic thinker who understand issues in the U.S. and abroad.” Washingtonian magazine includes Bill as one of the region’s “best legal minds” in the area of Antitrust.

Education