In a recently published article, Ken Dintzer and Toni Michelle Jackson examine the growing power of state attorneys general in antitrust enforcement and analyze the significant legal, structural, and strategic implications for corporate counsel and deal teams as state-level merger scrutiny accelerates beyond federal oversight. Click here to read the full article.

On February 10, 2026, California enacted Senate Bill 25 (“SB 25”), known as the California Uniform Antitrust Pre-Merger Notification Act. The new law takes effect on January 1, 2027, making California the third state—following Washington (effective July 27, 2025) and Colorado (effective August 6, 2025)—to implement a “mini-HSR” regime modeled after the Uniform Antitrust Pre-Merger