Publications Articles Go Back U.S. Antitrust Developments 04.04.03 This article addresses U.S. Antitrust developments and was written by Kenneth Logan, Jayma Meyer and Ethan Litwin of the Firm's Antitrust Group. Related Insights 03.24.26 | Publications Simpson Thacher Attorneys Author Section of ABA’s FTC Practice and Procedure Manual on Merger Investigations, Litigation, and Remedies 02.09.26 | Publications Simpson Thacher Attorneys Author Article on Revised HSR Act Thresholds and Filing Fees 05.15.25 | Publications Simpson Thacher Attorneys Author Law360 Article on State Premerger Notification and Review Laws Related Services Related Practice Areas Litigation Antitrust and Trade Regulation Complex Commercial Litigation