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New Legislation › Reporting Requirements › Hart-Scott-Rodino Act

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

Miles & Stockbridge P.C. on

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

King & Spalding

Illinois House Passes Legislation to Increase State Oversight of Healthcare Consolidation

King & Spalding on

On March 24, 2023, the Illinois House of Representatives passed HB 2222. If passed by the Illinois Senate and signed by Illinois’ Governor, HB 2222 would amend the Illinois Antitrust Act (the Act) to add reporting...more

McDermott Will & Schulte

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

McDermott Will & Schulte on

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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