What is new: Some U.S. states have enacted pre-merger notification regimes of general applicability, requiring parties making HSR filings to also notify state attorneys general, with similar legislation pending in other...more
Colorado and Washington state recently became the first states to adopt their own smaller versions of the Hart-Scott-Rodino Antitrust Improvements (HSR) Act. These “mini-HSR” state laws require certain parties that submit...more
On April 4, Washington became the first state to enact the Uniform Antitrust Premerger Notification Act (APNA). Under the APNA, a person making a Hart-Scott-Rodino (HSR) filing on or after July 27, 2025 must provide a copy of...more
Washington and Colorado are the first two states to pass laws requiring certain parties to affirmatively submit their Hart-Scott-Rodino (HSR) filings to their states’ attorneys general. Both states passed laws modeled on the...more