Tom Ensign

Tom Ensign

Antitrust & Competition Partner
Fenwick & West

Tom appears regularly before the U.S. Department of Justice (DOJ), the Federal Trade Commission (FTC), and state attorneys general offices.

He acts as lead counsel on numerous complex matters, including a continuous docket of merger and conduct investigations. He also has litigated antitrust cases before federal and state courts, and in FTC administrative proceedings.

Tom has significant experience in a variety of industries, including aerospace, aggregates, agriculture, air cargo, airlines, aquaculture, biotechnology, chemicals, computer, counterterrorism products, dairy, defense, food and beverages, healthcare and hospitals, industrial gases, life sciences, medical devices, medical imaging, metals, music, natural gas, pharmaceuticals, private equity, radio, satellite telecommunications, semiconductors, software, steel, stock exchange, transportation, timber, and vitamins.

Tom is widely recognized as a leading U.S. antitrust lawyer, including by Chambers, Global Competition Review, and Who’s Who Legal. In addition to being a frequent speaker and author on antitrust issues, Tom is active in the leadership of the American Bar Association Antitrust Section and currently serves as vice chair of the ABA’s Antitrust Section’s Long Range Planning Committee.