James J. Tierney

The former chief of the U.S. Justice Department’s Networks and Technology Enforcement Section (Net Tech), Jim focuses his practice on antitrust and competition law, advocating before federal agencies on behalf of the firm’s global clients in the technology, energy & infrastructure and finance sectors.

Jim is a well-recognized figure inside the Beltway and an accomplished antitrust lawyer, with expansive knowledge of regulatory issues facing the technology and finance sectors.

As Net Tech chief, Jim oversaw all civil antitrust enforcement in the tech and financial services sectors, reviewing, investigating and, when necessary, litigating, every major strategic technology transaction and conduct issue in the past decade. He oversaw civil antitrust enforcement, competition advocacy, and competition policy in the areas of computer hardware and software, high-technology component manufacturing, financial services, securities industries, and professional associations. Jim also led the agency’s cooperation with antitrust and competition authorities worldwide.

Jim is a five-time recipient of the Assistant Attorney General Award of Distinction, and also received the prestigious Roberts Award in 2011 for excellence, leadership and dedication in the enforcement of antitrust laws. Prior to becoming Net Tech’s chief, he served for three years as assistant chief of the Antitrust Division’s Litigation 2 section and was a trial attorney in the agency from 1994 to 2003. He also served in the Antitrust Division’s Professions and Intellectual Property section. He clerked for Washington State Supreme Court Justices James A. Andersen and Fred H. Dore.

Good to know

Job Types Partner
Areas of Practice 1) Antitrust & Competition, 2) Antitrust/Intellectual Property, 3) Antitrust Counseling & Compliance, 4) Compliance & Regulatory, 5) M&A and Private Equity, 6) Technology Companies Group, 7) Complex Litigation & Dispute Resolution and 8) Class Action Defense
Law School University of Puget Sound School of Law (J.D.,1986)
Education Allegheny College (B.A.,1977)
Bar Member / Association District of Columbia State Bar Associations,Maryland State Bar Associations
Most recent firm Orrick, Herrington & Sutcliffe LLP
LinkedIn Profile https://www.linkedin.com/in/jim-tierney-ba98689
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