Michael C. Keeley

Senior Advisor

For more information, contact:

  • Michael D. Topper
  • Colleen M. Connolly

or any member of our senior staff.


Michael Keeley provides economic, financial, and statistical consulting and expert testimony. He has consulted and served as an expert in a variety of cases, including antitrust, intellectual property, product misrepresentation and consumer fraud, securities fraud, breach of contract, and environmental matters. He also has served as an expert and consultant on class certification in antitrust, fraud, product misrepresentation, and breach of contract matters. Dr. Keeley has provided business consulting on pricing, auction design, and strategy as well as public policy consulting on a variety of issues involving energy, labor, and financial regulation. He has worked on cases in a range of industries, including oil and gas, healthcare, computer software and hardware, medical devices, automotive, telecommunications, pharmaceuticals, chemicals, financial, and real estate.

Dr. Keeley joined Cornerstone Research in 1989 and has played leading roles in the firm’s work in antitrust and intellectual property matters. He has testified in more than twenty cases at trial and arbitration. Prior to joining Cornerstone Research, he was a Research Officer at the Federal Reserve Bank of San Francisco, and before that, he headed Stanford Research Institute’s Antitrust Economics Consulting Group. Dr. Keeley has also taught economics at the undergraduate and graduate levels.

Dr. Keeley has published his research in major economics and finance journals. He was awarded the Garn Prize for his research on bank risk taking, and selected for Who’s Who in Economics based on citations of his research. Dr. Keeley is recognized by Who’s Who Legal as a leading competition economist. In 2015, 2016, and 2017, the IAM Patent 1000 named Dr. Keeley as a leading U.S. expert on patent issues.

Antitrust litigation

Dr. Keeley has served as an expert in more than thirty cases dealing with a variety of antitrust issues, including price fixing, monopolization, tying, bundling, exclusive dealing, predatory pricing, price discrimination, mergers, and class certification. He has served as an expert in cases such as People of the State of California et al. v. Chevron Corporation et al. (MDL 150), Aguilar v. Atlantic Richfield Corporation et al.Mozart v. Mercedes-Benz, and In re Flash Memory Antitrust Litigation. He also has served as a consultant on several prominent cases, including In re Cigarette Antitrust LitigationIn re High Fructose Corn Syrup Antitrust Litigation, and In re Compensation of Managerial, Professional and Technical Employees Antitrust Litigation.

Class certification

Dr. Keeley has provided testimony and consulting related to class certification in antitrust, disclosure, product misrepresentation, and breach of contract matters. His cases have involved financial products, pharmaceutical products, medical devices, cigarettes, chemical products, labor markets, crude oil, computer software and hardware, semiconductors, Internet marketing, and gasoline marketing. Dr. Keeley’s recent class certification work includes the Neurontin Off-Label Marketing cases, the fixed-index annuity litigation, and In re Flash Memory Antitrust Litigation.

Intellectual property litigation

Dr. Keeley has served as an expert in patent, copyright, trade secret, trademark, and trade dress infringement matters; assessed damages in matters involving alleged breaches of technology sharing agreements; addressed economic issues in Section 337 cases before the International Trade Commission; and addressed tax issues in cases involving technology transfer and licensing. He has served as an expert in more than twenty-five intellectual property cases, including Power Integrations, Inc. v. Fairchild Semiconductor International, Inc. and Fairchild Semiconductor CorporationBrandeis University and GFA Brands, Inc. v. Keebler Co. et al.Monsanto Co. v. E.I. du Pont de Nemours & Co.LG. Philips LCD Co., Ltd. v. Tatung Co. of America et al., and Verizon Services Corp. et al v. Cox Fibernet Virginia, Inc., et al.  Dr. Keeley consults with intellectual property owners, has helped negotiate licenses, is a member of the Licensing Executives Society, and authored “Infringement: Valuing IP for Damages,” which appeared in les Nouvelles.

Press Release

WWL: Competition Global Leaders and Consulting Experts 2023

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WWL: Global Leader Competition—Economists 2022

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2021 Who’s Who Legal: Consulting Experts

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Who’s Who Legal: Competition 2021—Economists

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2020 Who’s Who Legal: Competition–Economists

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2019 Who’s Who Legal: Consulting Experts

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2019 Who’s Who Legal: Competition Economists

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2018 Who’s Who Legal: Competition Experts

  • “Patent Damages—A Brave New World?,” Inside Counsel, June 2012