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State Attorneys General Filing Requirements Colorado

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

Dinsmore & Shohl LLP

Make Sure to CC the AG: Colorado and Washington Require State-Level Merger Notices

Dinsmore & Shohl LLP on

Colorado and Washington have each enacted statutes modeled after the Uniform Law Commission’s Uniform Antitrust Pre-Merger Notification Act. Soon, both states will require parties to certain mergers and acquisitions (M&A)...more

Snell & Wilmer

Washington and Colorado Enact Groundbreaking State-Level Merger Notification Requirements, With Other States Likely To Follow

Snell & Wilmer on

Washington was the first state to adopt the Uniform Antitrust Pre-Merger Notification Act. Signed into law in April 2025 and effective as of July 27, 2025, the Washington law establishes new premerger filing requirements for...more

Hogan Lovells

State premerger notification requirements take effect this summer

Hogan Lovells on

Washington and Colorado recently passed laws that require parties that file premerger filings pursuant to the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (HSR Act) and meet certain state-specific thresholds to...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

Stinson LLP

Colorado Joins the "Baby" HSR Trend

Stinson LLP on

State attorneys general (AGs) have a legal right to challenge anticompetitive mergers, both under the federal Clayton Act and their own state antitrust laws. And in recent years, state AGs have played increasingly larger...more

K&L Gates LLP

Colorado Enacts Uniform Antitrust Pre-Merger Notification Law

K&L Gates LLP on

On 4 June 2025, Colorado became the second state—following the state of Washington—to enact a broad, state-level, industry-agnostic premerger notification regime. Under Colorado’s new law, any party that submits a filing...more

Troutman Pepper Locke

Legal Filing Services Provider Agrees to Pay $95,000 in Refunds to Resolve Colorado AG’s Allegations Regarding Deceptive...

Troutman Pepper Locke on

Compliance Services Colorado, Inc. (CSC) and Colorado Compliance Services, LLC (CCS) (collectively, the parties) recently entered into an Assurance of Discontinuance (AOD) with Colorado Attorney General (AG) Phil Weiser to...more

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