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Concrete and cement additives price-fixing lawsuit dismissed by US judge

Published by Global Banking & Finance Review

Posted on June 25, 2025

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· Last updated: January 23, 2026

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Concrete and cement additives price-fixing lawsuit dismissed by US judge
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By Jonathan Stempel NEW YORK (Reuters) -A U.S. judge in Manhattan on Wednesday dismissed a nationwide antitrust lawsuit accusing six companies that sell the vast majority of concrete and cement

US Judge Dismisses Price-Fixing Lawsuit Against Cement Additives Firms

By Jonathan Stempel

NEW YORK (Reuters) -A U.S. judge in Manhattan on Wednesday dismissed a nationwide antitrust lawsuit accusing six companies that sell the vast majority of concrete and cement additives in the United States and Europe of conspiring to drive up prices.

U.S. District Judge Lewis Liman said the "extreme and persistent" price hikes alleged by purchasers were "episodic," and inconsistent with coordinated activity in the estimated $27 billion global market for additives and so-called admixtures.

"Plaintiffs' allegations fall short of suggesting that the price increases were not the product of normal market forces or that the explanations given were pretextual so as to suggest an antitrust conspiracy," Liman wrote.

The defendants include Germany's BASF, Britain's Cinven Group, Italy's Mapei, Ohio-based RPM, France's Saint-Gobain and Switzerland's Sika.

According to court papers, they control an estimated 80% to 90% of the $3 billion U.S. market for the additives, which are chemicals added to concrete, cement and mortar to improve the finished products' strength and stability.

In his 50-page decision, Liman also said "plus factors" such as mergers, memberships in trade associations, and scrutiny by U.S. and European competition regulators suggested at most that a price-fixing conspiracy was possible, not plausible.

Lawyers for the purchasers did not immediately respond to requests for comment. Liman said the purchasers can try to replead most claims. The alleged conspiracy began in 2017.

Litigation began after the European Commission in October 2023 conducted surprise inspections, which the purchasers called "dawn raids," at several producers of construction chemicals, on suspicion of possible anticompetitive conduct.

The commission said the inspections were a preliminary investigatory step and did not mean it found anticompetitive behavior.

In May 2024, the U.S. Department of Justice confirmed a Pennsylvania grand jury had begun probing the concrete and cement additives industry.

The case is In re Concrete and Cement Additives Antitrust Litigation, U.S. District Court, Southern District of New York, No. 24-md-03097.

(Reporting by Jonathan Stempel in New York; Editing by Aurora Ellis)

Key Takeaways

  • US judge dismisses antitrust lawsuit against cement additive firms.
  • Allegations of price-fixing deemed inconsistent with market activity.
  • Defendants control 80-90% of the US additives market.
  • European Commission conducted inspections in 2023.
  • Purchasers may replead most claims in the case.

Frequently Asked Questions

What was the outcome of the price-fixing lawsuit?
A U.S. judge in Manhattan dismissed the nationwide antitrust lawsuit against six companies selling concrete and cement additives.
What did the judge say about the price hikes?
U.S. District Judge Lewis Liman stated that the alleged price hikes were 'episodic' and inconsistent with coordinated activity in the market.
Which companies were involved in the lawsuit?
The defendants include BASF, Cinven Group, Mapei, RPM, Saint-Gobain, and Sika, which control a significant portion of the U.S. market for additives.
What actions did the European Commission take regarding the case?
In October 2023, the European Commission conducted surprise inspections at several producers of construction chemicals, suspecting anticompetitive behavior.
Can the plaintiffs refile their claims?
Yes, the judge indicated that the purchasers could try to replead most of their claims following the dismissal.

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