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Hart-Scott-Rodino Act › Enforcement Actions

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 -
Skadden, Arps, Slate, Meagher & Flom LLP

DOJ Secures a $1.1 Million Fine From Amedisys for Deficient Second Request Compliance

Skadden, Arps, Slate, Meagher & Flom LLP on

On August 7, 2025, the Antitrust Division of the U.S. Department of Justice (DOJ) — together with co-plaintiff attorneys general of Maryland, Illinois, New Jersey and New York (Plaintiff States) — filed a proposed settlement...more

Sheppard Mullin Richter & Hampton LLP

Trump Revokes Biden Administration’s Executive Order on Antitrust & Competition but other Biden Administration Antitrust Policy...

Sheppard Mullin Richter & Hampton LLP on

On August 13, 2025, President Trump revoked the Biden Administration’s 2021 Executive Order (Promoting Competition in the American Economy). ...more

Cozen O'Connor

Washington Becomes First State to Require Premerger Notification Filing

Cozen O'Connor on

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...

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

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

Baker Botts L.L.P.

Antitrust Scrutiny of Investors Under a New Administration

Baker Botts L.L.P. on

Under the old guard of the prior administration, private equity was repeatedly under fire for alleged “flip and strip” tactics that were supposedly “at odds with competition.” Now, with new enforcers in place, a different...more

Troutman Pepper Locke

DAAG Rinner Says Merger Enforcement to Combine ‘Fairness and Robust Enforcement’

Troutman Pepper Locke on

Deputy Assistant Attorney General (DAAG) Bill Rinner’s stated goal for his June 4 speech was to provide insight into how the Department of Justice, Antitrust Division, will “handle merger review to ensure procedural fairness...more

Cadwalader, Wickersham & Taft LLP

Washington State Adopts First Broad State Antitrust Premerger Notification Act and Filing Requirement

Cadwalader, Wickersham & Taft LLP on

Effective July 27, 2025, any person that files a Hart-Scott-Rodino (HSR) Act Notification and Report Form (HSR Form) with the Federal Trade Commission (FTC) and the Department of Justice (DOJ) must also submit an electronic...more

Jenner & Block

Jenner & Block Japan Newsletter - April 2025

Jenner & Block on

Welcome to the April 2025 edition of the Jenner & Block Japan Newsletter, a publication containing updates about legal developments in the United States that may be noteworthy to our clients and other leaders in the Japanese...more

Skadden, Arps, Slate, Meagher & Flom LLP

Antitrust Enforcers Will Take a Friendlier Approach to Mergers but Retain Biden-Era Guidelines and HSR Rules - The Trump...

Skadden, Arps, Slate, Meagher & Flom LLP on

The government’s new antitrust leaders have signaled a less skeptical stance on mergers but a continued focus on enforcement, especially in Big Tech and the health care and agriculture sectors....more

Frost Brown Todd

Antitrust Developments Update for April 2025

Frost Brown Todd on

In our last antitrust developments publication, we commented on the challenge to the new Hart-Scott-Rodino Antitrust Improvements Act (HSR Act) final rule brought by the U.S. Chamber of Commerce and other parties in the...more

Jenner & Block

Premerger Enforcement Actions Highlight Importance of HSR Compliance

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Cases involving premerger enforcements under the Hart-Scott-Rodino (HSR) Act are relatively rare. So far in 2025, however, we have seen two such cases involving potentially record-breaking penalties. The timing is notable, as...more

Seyfarth Shaw LLP

Federal Trade Commission Antitrust Roundup: Trump Administration Off to An Aggressive Start

Seyfarth Shaw LLP on

Last week, on April 10, 2025, the U.S. Senate confirmed Mark Meador as the FTC’s third Republican commissioner.  Meador joins Chairman Ferguson and Commissioner Melissa Holyoak on what is now a three commissioner panel (all...more

McDermott Will & Schulte

Antitrust Under Trump: April 2025 Updates

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As the Trump administration’s antitrust landscape continues to develop, companies should stay alert to key changes in merger filing requirements, remedy expectations, agency personnel, and more. Signs indicate we are entering...more

Proskauer Rose LLP

Proskauer Hedge Fund Trading Guide Chapter 4: Stock Acquisitions: Key Requirements and Timing Considerations of Hart-Scott-Rodino

Proskauer Rose LLP on

Proskauer’s Practical Guide to the Regulation of Hedge Fund Trading Activities offers a concise, easy-to-read overview of the trading issues and questions we commonly encounter when advising hedge funds and their managers. It...more

Frost Brown Todd

Antitrust Developments Update for March 2025

Frost Brown Todd on

The Federal Trade Commission (FTC) adjusts the minimum dollar jurisdictional thresholds that determine reportability under the Hart-Scott-Rodino Antitrust Improvements Act of 1976 (HSR Act) based on changes to gross national...more

Goodwin

Antitrust and Competition Technology Year in Review 2024

Goodwin on

As we look back on 2024, one thing is clear: Antitrust enforcement in the technology sector continued at a steady pace, with global agencies showing no signs of relenting in their scrutiny of Big Tech companies....more

McDermott Will & Schulte

Antitrust Under Trump: Initial Policies and Actions

McDermott Will & Schulte on

As the Trump administration’s approach to antitrust takes shape through political appointments, policy statements, speeches, and enforcement actions, our team is tracking new developments and will provide important updates on...more

Mayer Brown

New HSR Rules and 2023 Merger Guidelines – Here to Stay?

Mayer Brown on

The past two weeks saw major developments in the US merger clearance process. On February 10, 2025, the Federal Trade Commission’s (FTC) revised Hart-Scott-Rodino (HSR) rules and new filing forms went into effect, marking the...more

A&O Shearman

Antitrust authorities on high alert for merger control violations

A&O Shearman on

Sanctions for procedural merger control infringements in 2024 did not meet the lofty heights of previous years. But merging parties should not be complacent. The number of infringement decisions increased. The U.S. and China...more

A&O Shearman

Private equity and serial acquisitions continue to feel the antitrust heat

A&O Shearman on

Private equity acquisitions—notably roll-up strategies—continued to face antitrust scrutiny in 2024. As did serial acquisitions by non-PE acquirers. Headwinds were particularly strong in the U.S., but breezes from other...more

DLA Piper

Meet The Trump Administration’s New Antitrust Enforcers

DLA Piper on

With the new Trump Administration, antitrust enforcers at the US Department of Justice's (DOJ) Antitrust Division and the Federal Trade Commission (FTC) are transferring leadership to the incoming appointees. FTC leadership...more

Epstein Becker & Green

New HSR Premerger Notification Requirements Take Effect

Epstein Becker & Green on

The new Hart-Scott-Rodino (HSR) Premerger Notification and Report Form (the “Form”) went into effect on February 10, 2025....more

Axinn, Veltrop & Harkrider LLP

Global Antitrust Shifts: How New U.S. and Australian Policies Will Impact Merger Review and Government Enforcement

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We’re excited to be visiting Sydney next week to catch up with competition law colleagues on our way to the ABA 2025 Asia-Pacific Conference. This is a time of unprecedented activity and change in antitrust law and policy...more

Akin Gump Strauss Hauer & Feld LLP

2025 Perspectives in Private Equity: Antitrust & Competition

Akin Gump Strauss Hauer & Feld LLP on

The heightened focus on antitrust and competition issues that has defined dealmaking globally over the past few years looks set for readjustment since President Trump re-entered the White House. Under the Biden...more

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