Gregory E. Neppl
Partner
Greg Neppl’s antitrust practice focuses on antitrust counseling, merger analysis and HSR notification preparation, government investigation response, antitrust compliance program development, and litigating antitrust and intellectual property matters. He also counsels numerous hedge funds and other institutional investors pursuing event-driven and risk arbitrage investment strategies. Greg has significant jury and bench trial experience from his private and government practices. He is a partner in Foley’s Antitrust & Competition, Government Enforcement Defense & Investigations, and Trade Association Practices.
Prior to joining Foley, Greg served as Senior Antitrust and Regulatory Counsel for Litton Industries, Inc., a subsidiary of Northrop Grumman Corporation as of 2001. In that position, he provided day-to-day antitrust counseling to defense and aerospace businesses; advised on teaming agreements, strategic alliances, and patent licenses; prepared HSR notifications and facilitated agency approvals; responded to antitrust agency investigations and inquiries; and developed and implemented antitrust compliance training programs.
Greg also previously served as a Trial Attorney with the Antitrust Division of the U.S. Department of Justice (Litigation II Section). In that role, he conducted numerous civil and criminal antitrust investigations. He also served as Special Assistant U.S. Attorney in Washington, D.C., where he prosecuted criminal matters in D.C. Superior Court. Prior to joining the Department of Justice, Greg practiced as a general commercial litigator in Tampa, Florida.
Awards and Recognition
- Mondaq Thought Leadership Award for Antitrust/Competition Law (Spring 2025)
- Peer Review Rated as AV® Preeminent™, the highest performance rating in Martindale-Hubbell’s peer review rating system
Affiliations
- Knight, International Order of Saint Hubertus
- The Federalist Society
Presentations and Publications
- Author, “FTC Finalizes Long-Awaited Rules that Will Substantially Increase the Scope and Detail of Premerger Antitrust Filings under Hart-Scott-Rodino Act,” Foley Viewpoints, October 14, 2024.
- Author, “DOJ and FTC Release Significantly Expanded Merger Guidelines,” Foley Viewpoints, December 20, 2023.
- Author, “DOJ and FTC Propose Comprehensive Overhaul of Merger Guidelines, Including Presumption against Horizontal Mergers that Result in Market Shares Above 30%,” Foley Viewpoints, July 20, 2023.
- Author, “2022 Antitrust Outlook – Significant Changes Under the Biden Administration,” Top Legal Issues Facing the Automotive Industry in 2022, Foley Insights, March 17, 2022.
- Co-author, “President Biden’s Executive Order on Competition Could Mean Broad Changes Across a Range of Industries,” Foley Insights, July 15, 2021.
- Author, “2021 Antitrust Outlook – A New Administration and State Activism Present Enforcement Uncertainty,” Foley Insights, April 7, 2021.
- Author, “2020 Antitrust Outlook – Antitrust Agency Divergence, the Standards Debate and State Activism Present Enforcement Uncertainty,” Top Legal Issues Facing the Automotive Industry in 2020, Foley Insights, February 12, 2020.
- Author, “DOJ Issues Merger Remedies Manual – Structural Remedies ‘Strongly Preferred’,” Foley Insights, September 11, 2020.
- Co-author, “FTC and DOJ Issue Final Vertical Merger Guidelines,” Foley Insights, July 22, 2020.
- Author, “Antitrust Enforcement ‘Reform’ as a Political Issue: The Good, the Bad, and the Ugly,” Foley Insights, November 7, 2019.
- Author, “Antitrust Surprises from DOJ during the Trump Administration – Predicting the Consequences,” Foley Insights, October 10, 2019.
Gregory Neppl Shares Insight on Government Shutdown Impact for M&A Review
Navigating HSR Filings During a Government Shutdown: What Clients Need to Know
Foley Represents Mayville Engineering Company in Acquisition of Accu-Fab
Foley Represents FARO Technologies in $920M Acquisition by AMETEK
Foley Represents Kontoor Brands in Acquisition of Helly Hansen
