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…
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…
Pennsylvania v. EQT Corporation et al
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…
Virginia et al v. Zillow Group Inc et al
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…
Michigan v. Express Scripts, Inc. et al.
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…
Illinois v. Alternative Staffing Inc., et al.
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…
In the Matter of the Idaho Attorney General’s Investigation of Kootenai Hospital District et al
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…
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…
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…
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…