United States and Ohio v. OhioHealth Corp.

February 23, 2026

Ohio and the United States Department of Justice filed a complaint against OhioHealth Corporation in February 2026.  The complaint states that OhioHealth is the dominant hospital system in Columbus and alleges its market power comes from its size, the location of its facilities, and its control of rural hospitals that insurers need to include in…

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In the Matter of Adamas Amenity Services, et al.

February 12, 2026

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.

February 9, 2026

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.

February 9, 2026

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.

February 9, 2026

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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Pennsylvania v. EQT Corporation et al

December 22, 2025

In August 2023, The Pennsylvania Attorney General’s Office filed a Complaint in the District Court for the Western District of Pennsylvania against EQT Corporation, Quantum Energy Partners, and their joint production entity Quantum EQT Production Holdings, LLC (QEPH).  The complaint challenged a proposed transaction through which EQT, the nation’s largest natural gas producer, would acquire…

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Virginia et al v. Zillow Group Inc et al

December 18, 2025

Viriginia, Arizona, Connecticut, New York, and Washington state brough suit against Zillow and Redfin in the District Court for the Eastern District of Virginia in October 2025.  The plaintiff states allege that the defendants executed an illegal agreement under which Redfin exited the internet listing services (“ILS”) market for buildings with more than 25 units…

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Michigan v. Express Scripts, Inc. et al.

May 19, 2025

Michigan brought suit against two pharmacy benefit managers (“PBMs”), Express Scripts, Inc. (“ESI”) and Prime Therapeutics, alleging that the companies entered into an illegal horizontal price-fixing agreement. PBMs’ clients are third-party payors, such as private insurance companies and large employers, that offer pharmaceutical benefits to their members. As part of the services PBMs offer to…

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Illinois v. Alternative Staffing Inc., et al.

April 30, 2025

Illinois brought a complaint against six temporary staffing agencies and a common client, Vee Pak, LLC, alleging that Vee Pak facilitated unlawful agreements among the temporary staffing agencies not to solicit or hire each other’s employees in violation of the Illinois Antitrust Act.  The complaint alleges that the no-poach conspiracy among the defendants suppressed the…

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In the Matter of the Idaho Attorney General’s Investigation of Kootenai Hospital District et al

April 9, 2025

Idaho resolved an investigation into two health care providers in Idaho County, Kootenai Health and Syringa, through a consent decree.  Idaho found that in 2017, Kootenai Health and Syringa entered into a management agreement where Kootenai Health hired and paid Syringa’s Chief Executive Officer, making the CEO an employee of Kootenai Health.  This agreement provided…

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