Publications Memos Go Back Revised HSR Act Thresholds 01.29.08 Related Insights 07.10.25 | Publications The Ad Standard: Monthly Update - July 2025 06.25.25 | Publications Delaware Supreme Court Reverses Unprecedented Aiding and Abetting Decision Against Third-Party Acquiror 06.12.25 | Publications Simpson Thacher Sustainability and ESG: Regulatory Update – June 2025 Related Services Related Practice Areas Corporate Litigation Mergers and Acquisitions Antitrust and Trade Regulation Complex Commercial Litigation