Michael C. Naughton
Biography
Michael Naughton is a partner in Weil’s global Antitrust practice, where his practice focuses on advising clients on the antitrust regulatory requirements associated with large, typically global, transactions. He counsels clients on pre-merger notification compliance, both domestically under the Hart-Scott-Rodino Act and internationally. He also represents clients in government investigations and reviews of mergers and acquisitions, and in government and private antitrust litigation, and counsels clients on the antitrust implications of their business activities. Michael brings to his practice the benefit of his doctorate in economics, along with his extensive prior academic and consulting experience in antitrust economics and industrial organization.
He is the author of several articles, including “Gun-Jumping and Premerger Information Exchange: Counseling the Harder Questions” and “Buyer Power Under Attack: Recent Trends in Monopsony Cases” which were published in Antitrust Magazine, and “The Antitrust Risks of Unilateral Conduct in Standard Setting,” which appeared in The Antitrust Bulletin.
Michael received a B.A. in Economics from the University of Vermont, a Ph.D. in Economics from Boston College and a JD, magna cum laude, from New York University School of Law, where he was elected to Order of the Coif and was editor-in-chief of the NYU Environmental Law Journal. From 1985 to 1991, Michael was as an Associate Professor of Economics at San Diego State University.
Firm News & Announcements, Latest Thinking
Firm News & Announcements
- Weil Advised Goldman Sachs Alternatives in $280M Continuation Vehicle for Point72 Fintech Assets Deal Brief — January 15, 2026
- Weil Advised Blackstone in $400M Series F Funding for Cyera Firm Announcement — January 09, 2026
- Weil Advises WTW in $1.3B Acquisition of Newfront Deal Brief — December 11, 2025
- Weil Elects 17 New Partners and Announces New Counsel Class Press Release — November 25, 2025
- Weil Advised OMERS in Sale of Epiq’s Global Business Transformation Solutions Division to K2 Services Deal Brief — November 10, 2025
Latest Thinking
- Adjustments to the HSR Act Filing Thresholds, Fee Structure, and Interlocking Directorate Thresholds Alert — By Michael C. Naughton, Carla A. R. Hine, Marie-Marie O. de Fays and Dan S. Nobil — PDF — January 16, 2026
- Adjustments to the HSR Act Filing Thresholds, Fee Structure, Civil Penalties, and Interlocking Directorate Thresholds Alert — By Carla A. R. Hine, Michael C. Naughton, Dan S. Nobil and Marie-Marie O. de Fays — PDF — January 22, 2025
- New HSR Rules, and Impact of Change in Administration Alert — Antitrust — By Megan A. Granger, Adam C. Hemlock, Brianne Kucerik, Michael Moiseyev, Jeffrey H. Perry, Jasmine Rosner, Kristin Sanford, John E. Scribner, Mark Seidman, Jeff L. White, Carla A. R. Hine and Michael C. Naughton — PDF — November 14, 2024
- FTC and DOJ Announce Final Rulemaking for Overhaul of HSR Premerger Notification Filings and Reinstate Early Termination Alert — Antitrust — By Brianne Kucerik, Jeffrey H. Perry, Michael Moiseyev, Carla A. R. Hine, Michael C. Naughton, Marie-Marie O. de Fays and Dan S. Nobil — PDF — October 11, 2024
- Adjustments to the HSR Act Filing Thresholds, Fee Structure and Civil Penalties, and Adjustments to Clayton Act Section 8 Thresholds Alert — Antitrust — By Carla A. R. Hine, Michael C. Naughton, Dan S. Nobil and Marie-Marie O. de Fays — PDF — January 23, 2024