United States: Antitrust/Competition Law

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Competition Law and Antitrust Law articles and thought leadership, podcasts, videos and webinars from expert sources across the legal world. Explore articles covering topics that involve competition and antitrust law from specialists working in this area every day.
Article
Michigan Court Dismisses Energy Antitrust Suit For Lack Of Standing
A federal district court dismissed Michigan's antitrust lawsuit against major energy companies and the American Petroleum Institute, which alleged a decades-long conspiracy to suppress renewable energy competition. The court found that the state failed to establish the requisite antitrust standing, determining that the causal chain between the alleged conspiracy and claimed injuries was too attenuated and that Michigan's residents were predominantly indirect purchasers under the Illinois Brick doctrine.
United States Anti-trust
AO
A&O Shearman
Article
Southern District Of New York Dismisses Price-Fixing Claims Against Concrete And Cement Additives Manufacturers
A federal court dismissed antitrust claims against major concrete and cement additives manufacturers, ruling that plaintiffs failed to demonstrate a plausible conspiracy to fix prices in the United States. The decision clarifies the stringent requirements for alleging foreign-origin price-fixing conspiracies under U.S. antitrust law, particularly regarding the need for direct evidence of domestic conspiratorial conduct and parallel pricing behavior among U.S. defendants.
United States Anti-trust
AO
A&O Shearman
Article
Competition Currents | October 2026
Global antitrust and competition law developments from September 2026 reveal significant enforcement actions across multiple jurisdictions, including U.S. litigation over price-fixing in medical school applications and frozen potato markets, FTC investigations into healthcare mergers and pesticide loyalty programs, and international regulatory activity spanning Mexico's soccer industry, European digital markets, and Japanese price cartel warnings amid inflation.
United States Anti-trust
GT
Greenberg Traurig, LLP
Article
Proceed With Caution: Transatlantic ESG Antitrust Guidance For Chemicals And Metals Businesses
Companies in the chemicals and metals industries face divergent antitrust risks when pursuing collaborative ESG initiatives across the Atlantic. While US enforcers scrutinize sustainability agreements that may affect prices or output, the European Union has adopted a more permissive framework that recognizes many sustainability collaborations fall outside cartel prohibitions.
Global Anti-trust
MB
Mayer Brown
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Antitrust, EU Competition

Article
Michigan Court Dismisses Energy Antitrust Suit For Lack Of Standing
A federal district court dismissed Michigan's antitrust lawsuit against major energy companies and the American Petroleum Institute, which alleged a decades-long conspiracy to suppress renewable energy competition. The court found that the state failed to establish the requisite antitrust standing, determining that the causal chain between the alleged conspiracy and claimed injuries was too attenuated and that Michigan's residents were predominantly indirect purchasers under the Illinois Brick doctrine.
United States Anti-trust
AO
A&O Shearman
Article
Manhattan District Attorney Announces First Corporate Crime And Antitrust Task Force
The Manhattan District Attorney's Office has launched its first Corporate Crime and Antitrust Task Force, targeting fraud and misconduct by corporations and executives in areas including antitrust violations, healthcare fraud, and consumer fraud. Led by a 40-year veteran prosecutor, the Task Force aims for "systemic accountability" by investigating high-level actors and corporate structures that enable crime, marking a significant expansion of state-level enforcement into traditionally federal territory.
United States Criminal
ST
Sher Tremonte
Article
Southern District Of New York Dismisses Price-Fixing Claims Against Concrete And Cement Additives Manufacturers
A federal court dismissed antitrust claims against major concrete and cement additives manufacturers, ruling that plaintiffs failed to demonstrate a plausible conspiracy to fix prices in the United States. The decision clarifies the stringent requirements for alleging foreign-origin price-fixing conspiracies under U.S. antitrust law, particularly regarding the need for direct evidence of domestic conspiratorial conduct and parallel pricing behavior among U.S. defendants.
United States Anti-trust
AO
A&O Shearman
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Cartels, Monopolies

Article
Competition Currents | October 2026
Global antitrust and competition law developments from September 2026 reveal significant enforcement actions across multiple jurisdictions, including U.S. litigation over price-fixing in medical school applications and frozen potato markets, FTC investigations into healthcare mergers and pesticide loyalty programs, and international regulatory activity spanning Mexico's soccer industry, European digital markets, and Japanese price cartel warnings amid inflation.
United States Anti-trust
GT
Greenberg Traurig, LLP
Article
California Passes COMPETE Act To Target Single-firm Conduct
California's new COMPETE Act expands state antitrust enforcement to target single-firm monopolization and monopsonization conduct, creating a broader mandate than federal law. Beginning January 1, 2027, public enforcers will have authority to challenge exclusionary business practices that fall outside the Sherman Act's scope, potentially reshaping the competitive landscape for companies operating in California.
United States Anti-trust
HL
Hogan Lovells Cadwalader
Article
Collaborations In The Chemicals Industry: Why The Ancillary Restraints Doctrine Matters
The European Commission's 2020 enforcement action against ethylene purchasers for coordinating buy-side pricing strategies has triggered over €10 billion in follow-on damages claims and raised fundamental questions about the legality of competitor collaborations in the chemicals industry. While naked buyer cartels remain per se illegal, this analysis examines why the ancillary restraints doctrine should protect legitimate industry collaborations—including product swaps, joint purchasing agreemen
United States Anti-trust
MB
Mayer Brown
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Trade Regulation & Practices

Article
California Passes COMPETE Act To Target Single-firm Conduct
California's new COMPETE Act expands state antitrust enforcement to target single-firm monopolization and monopsonization conduct, creating a broader mandate than federal law. Beginning January 1, 2027, public enforcers will have authority to challenge exclusionary business practices that fall outside the Sherman Act's scope, potentially reshaping the competitive landscape for companies operating in California.
United States Anti-trust
HL
Hogan Lovells Cadwalader
Article
Lynn L. Bergeson, “New U.S. Customs And Border Protection Rule Could Upend Chemical Import Compliance,” Chemical Processing, September 21, 2026.
U.S. Customs and Border Protection is considering significant regulatory amendments that would require importers to provide enhanced supply chain visibility, implement technical tracing solutions, and submit foreign export documentation. These proposed changes could fundamentally alter import procedures and compliance requirements for businesses bringing goods into the United States, with public comments due by December 1, 2026.
United States International
BC
Bergeson & Campbell
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