Leon Greenfield

Wilmer Cutler Pickering Hale and Dorr LLP

$ $$$

Pennsylvania Avenue Northwest 1875
Washington 20006 DC US

Leon B. Greenfield has an exceptionally wide breadth of experience representing clients in complex antitrust-related matters. He has represented clients in cutting edge Section 2 litigation and agency matters. He has secured antitrust clearance for major acquisitions, litigated cases in federal and state court and counseled clients on many types of antitrust issues.

Mr. Greenfield also has broad experience in matters outside the antitrust area, including securities regulatory matters and litigation and complex business litigation. Many of Mr. Greenfield’s recent matters have involved complex issues relating to monopolization allegations.

Mr. Greenfield’s practice also includes obtaining merger clearance for transactions in a diverse range of industries, including defense and aerospace, computer products, scientific equipment, agricultural and other chemicals, entertainment, professional services, airlines and financial services. Many of those transactions have required regulatory approval both in the United States and other countries.

Mr. Greenfield has also handled many civil non-merger competition matters, both in the United States and the European Union, and regularly counsels clients on antitrust matters. He has represented clients in a variety of securities, regulatory and litigation matters and has been involved in many litigation and major internal investigations in the defense and aerospace, securities and corporate governance areas.

Mr. Greenfield has taught courses on comparative competition law and international civil litigation at Georgetown University Law Center. He also speaks frequently and has participated in events such as the ABA Antitrust Section Spring Meeting, the ABA symposium on the Antitrust Modernization Commission at Mid-Course, the Penn State Law School Seminars, the IBA Antitrust Conference in Sydney, Australia, the Canadian Competition Invitational, and the British Institute of International Comparative Law’s Workshops on International Cartels and Efficiencies in Merger Analysis. Mr. Greenfield also writes regularly on antitrust topics.

Mr. Greenfield is a Senior Editor of the Antitrust Law Journal. He is Co-Editorial Chair of the Section of Antitrust Law Mergers and Acquisitions, 4th edition (forthcoming). Mr. Greenfield previously served as the Editorial Board Chair of the 2009 Annual Review of Antitrust Law Developments and as a board member in 2007 and 2008.

Experience :

  • Represented an international airline in connection with an agency investigation into alleged price fixing
  • Representing high-tech clients in litigation concerning standard-setting proceedings and other issues relating to intellectual property
  • Represented BAE Systems in obtaining antitrust clearance for its $4.2 billion acquisition of United Defense
  • Obtaining summary judgment on behalf of Regal Cinemas in litigation over alleged antitrust violations brought by a competing theatre owner
  • Represented Witness Systems in connection with its $950 million sale to Verint Systems in the call center software industry
  • Represented a cellular telephone component producer in an antitrust counterclaim arising from patent litigation.

EDUCATION :

  • JD, University of Chicago Law School, 1989
  • BS, Pennsylvania State University, 1986

ADMISSIONS : District of Columbia

CLERKSHIPS : The Hon. Stanley Marcus, US District Court for the Southern District of Florida, 1989 – 1990.

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Pennsylvania Avenue Northwest 1875
Washington 20006 DC US
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