In the Matter of Adamas Amenity Services, et al.

The New Jersey Attorney General’s Office (the “NJ AGO”) resolved an investigation into Adamas Building Services (“Adamas”) and its affiliated businesses through an assurance of discontinuance (the “Assurance”) in December 2025.  Building services contractors like Adamas staff and service residential and commercial properties, providing workers that perform janitorial, security, concierge, parking and maintenance services.  The…

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Ohio v. Ascend Wellness Holdings, Inc., et al.

Ohio brought a lawsuit against nine multistate cannabis operators (“MSOs”) in February 2026. The complaint states that MSOs are often vertically-integrated companies across the cultivation, processing and dispensing supply chain to distribute their branded products within a state. The complaint alleges the defendants have conspired to form cartels which limit the availability of independent Ohio…

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Texas v. Epic Systems Corp.

Texas brought a lawsuit against Epic Systems Corporation, which sells electronic health record (“EHR”) database software and related applications to health care providers, in December 2025. The complaint alleges that Epic Systems has engaged in monopolistic conduct by preventing challenges to its EHR business in violations of the Texas Free Enterprise and Antitrust Act.  The…

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Michigan v. BP P.L.C., et al.

Michigan brought a complaint against BP, Shell, Chevron, Exxon and the American Petroleum Institute in January 2026.  The complaint alleges that the defendants conspired to stall competition to their fossil fuel business from renewable energy and maintain their dominance in the energy market.  The complaint alleges that the defendants engaged in conduct including abandoning renewable…

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New York v. Intermountain Management Inc.

New York brought suit against a ski resort operator, Intermountain Management Inc., under the state’s antitrust law, the Donnelly Act.  New York alleged that Intermountain acquired its only competitor in the season-pass skiing services market in the Syracuse area, Toggenburg, and that Intermountain closed Toggenburg after completing the purchase.  New York also brought a claim…

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United States and Plaintiff States v. American Airlines et al. (D. Mass. 1:21-cv-11558)

Seven states and the U.S. Department of Justice brought a lawsuit alleging that a joint venture between American Airlines and JetBlue, the Northeast Alliance, violated Section 1 of the Sherman Act.  The plaintiff states and DOJ alleged that the defendants combined their operations at four airports, eliminating competition between them on routes involving those airports…

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United States and Plaintiff States v. UnitedHealth et al. (D. Md. 1:24-cv-03267-JKB)

Four states and the U.S. Department of Justice brought a lawsuit seeking to block the acquisition of Amedysis, Inc. by UnitedHealth Group, Inc.  The plaintiff states and DOJ alleged that the defendants are two of the largest home health and hospice service providers in the country and that their merger would eliminate competition between the…

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Nebraska v. Daimler Truck et al.

Nebraska, with Energy Marketers of America and Renewable Fuels Nebraska, brought an antitrust action against four manufacturers of medium and heavy-duty vehicles (“MHDVs”) – Daimler Truck North America; International Motors; Paccar; and Volvo Group North America – and the Truck & Engine Manufacturers Association.  The lawsuit alleges that defendants agreed to reduce the manufacture of…

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Texas et al. v. BlackRock et al.

Thirteen attorneys general brought an antitrust action against three institutional investors – BlackRock, State Street, and Vanguard Group.  The lawsuit alleges that defendants used their acquisition of stock to reduce competition in coal markets in violation of Section 7 of the Clayton Act and state antitrust laws and that defendants agreed amongst themselves to reduce…

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United States and Plaintiff States v. Real Page (M.D.N.C. 1:24-CV-00710)

Nie attorneys general have joined the U.S. Department of Justice in a lawsuit against Real Page, Inc.  In a January 2025 amended complaint, the plaintiff states and the DOJ added six large landlords as defendants. The lawsuit alleges that RealPage facilitates the anticompetitive information exchange of nonpublic, competitively sensitive information about rental rates and other…

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