Publications Articles Go Back U.S. Merger Control 03.01.03 Ken Logan and Jack D'Angelo of the Firm's antitrust practice area discuss U.S. merger control in an article prepared for Global Counsel: M&A Handbook. Related Insights 02.24.26 | Publications Simpson Thacher Attorneys Author Dow Jones Risk Journal Article on Cartel Enforcement Trends 02.09.26 | Publications Simpson Thacher Attorneys Author Article on Revised HSR Act Thresholds and Filing Fees 12.04.25 | Publications Karen Kazmerzak Authors Editor’s Note, Curates Content for ABA’s Antitrust Magazine Related Services Related Practice Areas Corporate Litigation Mergers and Acquisitions Antitrust and Trade Regulation Complex Commercial Litigation