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Hart-Scott-Rodino Act Premerger Notifications Washington

The Hart-Scott Rodino Antitrust Improvements Act is a United States federal statute enacted in 1976 establishing the federal premerger notification program. Under the Act, parties contemplating mergers or... more +
The Hart-Scott Rodino Antitrust Improvements Act is a United States federal statute enacted in 1976 establishing the federal premerger notification program. Under the Act, parties contemplating mergers or acquisitions must notify the Department of Justice and the Federal Trade Commission prior to completing the transaction. Once notified, the DOJ and FTC investigate and make a determination as to whether the proposed transaction will adversely impact U.S. commerce and competition within the market. less -
Cozen O'Connor

Washington Becomes First State to Require Premerger Notification Filing

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Washington AG Nick Brown announced that Washington is the first state to require companies to file a premerger notification with the state AG’s office concurrently with the federal filing required under the Hart-Scott-Rodino...more

Cozen O'Connor

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

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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

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

Ballard Spahr LLP

Washington State Merger Notification Requirements Start This Month

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Are you contemplating a merger or acquisition with a connection to Washington State? Effective July 27, 2025, any transaction requiring pre-notification under the federal Hart-Scott-Rodino Antitrust Improvements Act of 1976...more

Stinson LLP

Colorado Joins the "Baby" HSR Trend

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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

Bass, Berry & Sims PLC

Washington Enacts “Mini-HSR” Law, Expanding State-Level Premerger Filing Requirements

Bass, Berry & Sims PLC on

On April 4, Washington became the first state to adopt the Uniform Premerger Notification Act (Act) when Washington Governor Jay Inslee signed the bill into law. The new statute imposes state-level premerger filing...more

White & Case LLP

Washington Becomes First State to Enact “Uniform Antitrust Pre-Merger Notification Act”

White & Case LLP on

On April 4, 2025, Gov. Bob Ferguson of Washington state signed S.B. 5122, making Washington the first state to enact the Uniform Law Commission’s “Uniform Antitrust Pre-Merger Notification Act.” Overview of the New...more

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