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Antitrust Law Source

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By: Porter Wright Morris & Arthur LLP

Blog Authors

Allen Carter
Molly Crabtree
Darcy Jalandoni
Jared Klaus
Jay L. Levine
Donna Ruscitti
Porter Wright

Latest from Antitrust Law Source

Antitrust Law Source

Current trends in state antitrust enforcement

By Allen Carter
May 5, 2025

State antitrust enforcement is becoming increasingly significant, with a diverse array of laws across 51 jurisdictions, including the District of Columbia. State Attorneys General (AGs) are not merely filling gaps left by federal enforcement but are actively shaping the landscape…

Antitrust Law Source

Navigating the new HSR landscape: Major updates and enforcement actions you need to know

By Jay L. Levine
April 7, 2025

When the words “Hart Scott” or “HSR” are mentioned, business executives and deal lawyers often react with indifference. While they recognize the necessity of HSR compliance before closing a transaction, it typically garners little attention unless the deal is expected…

Antitrust Law Source

FTC issues its annual revisions to HSR and interlocking directorate

By Jay L. Levine
January 16, 2025

On Jan. 10, 2025, the Federal Trade Commission (FTC) announced the annual changes to the notification thresholds for filings under the Hart-Scott-Rodino Antitrust Improvements Act (HSR) and certain other values under the HSR rules. The new thresholds will become effective…

Antitrust Law Source

FTC issues HSR revisions… with a surprise

By Jay L. Levine
February 17, 2023

On Jan. 23, 2023, the FTC announced annual changes to notification thresholds for filings under the Hart-Scott-Rodino Antitrust Improvements Act and certain other values under HSR rules. But this time, the annual changes include a radically different tier structure with…

Antitrust Law Source

FTC revises HSR, interlocking directorate thresholds

By Jay L. Levine
February 4, 2022

On Jan. 24, 2022, the Federal Trade Commission (FTC) announced the annual changes to the notification thresholds for filings under the Hart-Scott-Rodino Antitrust Improvements Act (HSR), and certain other values under the HSR rules. The new thresholds will become effective…

Antitrust Law Source

Has Axon dealt another blow to FTC authority?

By Jay L. Levine & Porter Wright
January 13, 2022

Last year, the Supreme Court unanimously ruled that the Federal Trade Commission (FTC) is not authorized to impose civil penalties on parties who violate the FTC Act unless the party is violating a previous cease and order. The ruling took…

Antitrust Law Source

Another major Hart-Scott-Rodino warning from the FTC

By Jay L. Levine & Porter Wright
January 5, 2022

Two recent Federal Trade Commission (FTC) actions confirm the Hart-Scott-Rodino Act (HSR) is not to be ignored. On Dec. 22, the FTC fined both Biglari Holdings and the founder of Werner Enterprises for failure to file with the FTC and…

Antitrust Law Source

New Brandeisians push further: Proposed antitrust legislation reflects broad remedial purpose of antitrust laws

By Jay L. Levine & Porter Wright
September 15, 2021

Our last article, New Brandeisians keep their promise, discussed the contents of Sen. Amy Klobuchar’s (D-MN) proposed overarching antitrust legislation, Competition and Antitrust Law Enforcement Reform Act (CALERA). Now, we’d like to take a step back and focus on…

Antitrust Law Source

New Brandeisians keep their promise: New antitrust legislation reflects movement in role of antitrust laws

By Jay L. Levine & Porter Wright
June 28, 2021

Probably never before has there been introduced in Congress so many bills relating to antitrust.  At last count, over 25 different pieces of antitrust legislation have been introduced just this year, covering antitrust in general and distinct industries in particular,…

Antitrust Law Source

1990s to the present: The Chicago School and antitrust enforcement

By Jay L. Levine & Porter Wright
June 1, 2021

There is no question that antitrust policy, at any time, is highly influenced by the prevailing economic thinking. Equally unquestionable is the fact that economic thinking is highly influenced by one’s political philosophy. With these principles established, the current debate…

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