News & Analysis as of

Hart-Scott-Rodino Act Department of Justice (DOJ) New Legislation

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 -
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

McGuireWoods LLP

Washington, Colorado First States to Enact Uniform Antitrust Pre-Merger Notification Act

McGuireWoods LLP on

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

Latham & Watkins LLP

Washington Introduces State-Level Merger Notification Rules

Latham & Watkins LLP on

States’ merger review and enforcement initiatives continue to expand as Washington adopts the nation’s first “mini-HSR” rule. On April 4, 2025, the State of Washington passed the Antitrust Premerger Notification Act...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

Mintz - Health Care Viewpoints

California Health Care Legislative Update: Fall 2023

Governor Newsom signed 890 bills and vetoed 156 bills in 2023. Every year, California passes multiple laws that impact health care practitioners and health facilities and, as further described below, 2023 is no exception....more

Holland & Knight LLP

Baby HSRs: States Are Modeling Laws After Federal Act to Investigate More Transactions

Holland & Knight LLP on

In a growing trend, states are enacting laws modeled after the federal Hart-Scott-Rodino (HSR) Act, which requires parties to proposed transactions that satisfy certain reporting thresholds to first provide information to the...more

Perkins Coie

New Legislation Affects Antitrust Venue and Foreign Subsidy Disclosures 

Perkins Coie on

President Biden signed into law H.R. 2617, the Consolidated Appropriations Act, 2023 on December 29, 2022. This new legislation includes the Merger Filing Fee Modernization Act of 2022 (MFFMA), which amends the amounts and...more

A&O Shearman

Significant US HSR Filing Fee Changes Under The Merger Filing Fee Modernization Act

A&O Shearman on

On December 29, 2022, President Biden signed into law The Consolidated Appropriations Act of 2023 also known as The Omnibus Funding Bill (the “Bill”). The Bill includes the Merger Filing Fee Modernization Act which provides...more

Fenwick & West LLP

Congress’s Year-end Spending Bill Significantly Increases US Merger Control Filing Fees for Large M&A Transactions

Fenwick & West LLP on

On December 23, 2022, Congress passed the Consolidated Appropriations Act of 2023 (the “Act”) with bipartisan support. In addition to numerous spending provisions totaling $1.7 trillion, the Act includes antitrust-related...more

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