Dr. Gregory K. Leonard is an economist and partner at Edgeworth Economics specializing in applied microeconomics and econometrics.

Dr. Leonard has written widely in the areas of antitrust, industrial organization, econometrics, intellectual property, class certification, and labor economics. His publications have appeared in journals such as the RAND Journal of Economics, the Journal of Industrial Economics, the Journal of Econometrics, the International Journal of Industrial Organization, and the Antitrust Law Journal, among others. Dr. Leonard’s writings were cited by the Court of Appeals for the Federal Circuit in its Uniloc decision. He is a Senior Editor of the Antitrust Law Journal and has served as a referee for numerous economic journals.

Dr. Leonard has been invited to speak on antitrust and intellectual property issues by the Federal Trade Commission and the Department of Justice and served as a consultant on the issue of immunities and exemptions to the Antitrust Modernization Commission.

Dr. Leonard also has extensive experience with international antitrust and intellectual property issues, particularly in Asia. He has given invited presentations at the Anti-Monopoly Bureau of China’s Ministry of Commerce (MOFCOM), the Supreme People’s Court of China, Renmin University, the Chinese Academy of Social Sciences, and the University of Political Science and Law. He was a member of ABA and US Chamber of Commerce delegations to joint workshops with the Chinese antitrust agencies and served on ABA working groups that prepared comments on the Chinese agencies’ draft regulations. Dr. Leonard has also given presentations to the Japan Fair Trade Commission and the India Competition Commission.

Dr. Leonard has provided testimony before US federal and state courts, government agencies, and arbitration panels on issues involving antitrust, damages estimation, statistics and econometrics, surveys, valuation, and labor market discrimination.


  • Antitrust Law Journal, Senior Editor


  • National Science Foundation Graduate Fellow
  • Alfred P. Sloan Foundation Fellow


  • Senior Vice President, NERA
  • Senior Vice President, Lexecon Inc.
  • Co-founder and Director, Cambridge Economics, Inc.
  • Assistant Professor, Columbia University

Case Experience

Case Experience

Insights & News


Speaking Engagements




  • Computer Hardware and Software
  • Consumer Products
  • Medical Devices
  • Mobile Communications
  • Pharmaceuticals


Dr. Leonard earned his PhD in economics from the Massachusetts Institute of Technology, where he was a National Science Foundation Graduate Fellow and an Alfred P. Sloan Foundation Fellow. He earned his ScB in applied mathematics-economics from Brown University.

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