News & Analysis as of

Reporting Requirements Hart-Scott-Rodino Act State Attorneys General

Cozen O'Connor

Washington and Colorado Enact Uniform Premerger Notification Laws: What Businesses Need to Know About The New Era in State AG...

Cozen O'Connor on

As of July 27, Washington State is now the first state to enact a uniform antitrust premerger notification law, and as of August 6, 2025, Colorado will be the second. Both new notification laws are similar, as they are...more

Vinson & Elkins LLP

“Mini-HSR Acts” Multiply in the States; Merger Enforcement Developments in Washington, Colorado and More

Vinson & Elkins LLP on

Parties to transactions should be aware of new requirements for state-level merger reporting – so-called “mini-HSR Acts” – modeled on the Uniform Antitrust Pre-Merger Notification Act (“UAPNA”). Washington and Colorado have...more

Fenwick & West LLP

Washington Becomes First State to Enact ‘Mini HSR’ Notification Requirement

Fenwick & West LLP on

As of July 27, 2025, federal Hart-Scott-Rodino (HSR) Act filings will also need to be submitted to the Washington Attorney General (WA OAG) under Washington State’s Antitrust Premerger Notification Act (APNA) if the parties...more

Paul Hastings LLP

New Mini-HSR Laws Take Effect This Summer

Paul Hastings LLP on

Starting Sunday, July 27, 2025, any party to an M&A transaction that triggers a federal Hart-Scott-Rodino (HSR) Act filing must also submit a copy to the Washington attorney general if the filing party (1) maintains a...more

Miles & Stockbridge P.C.

Washington State Enacts First Uniform Antitrust Premerger Notification Act

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

Goodwin

Washington Becomes First State to Adopt Filing Requirements for HSR-Reportable Transactions Outside of Healthcare

Goodwin on

On April 4, 2025, Washington became the first state to enact a law requiring a general pre-merger notification of HSR-reportable deals to state enforcers, regardless of industry....more

Goodwin

States Continue to Pursue and Expand Healthcare Market Oversight at an Unprecedented Pace, with Significant Implications for...

Goodwin on

In recent years, states have shown an increased interest in regulating healthcare markets. The trend has accelerated further since the start of 2025, with a flurry of proposals in at least 12 states. ...more

Holland & Knight LLP

California Ends the Legislative Session with Expanded Reporting Requirements, Less Clarity

Holland & Knight LLP on

Amendments made by the California Office of Health Care Affordability (OHCA) to its cost and market impact review (CMIR) regulations became effective on Aug. 22, 2024, and serve to expand the scope of the Health Care Quality...more

McDermott Will & Emery

The Latest: Health Care Transactions Will Require Advance Notice to Washington State AG

What Happened: • On May 7, 2019, Governor Jay Inslee of Washington State signed House Bill 1607 into law. The law goes into effect for transactions closing after January 1, 2020, and requires advance notice to the...more

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