California et al. v. Paramount Skydance Corp. et al
In July 2026, twelve states brough suit to block the Paramount Skydance’s proposed acquisition of Warner Brothers Discovery. The complaint alleges that the proposed transaction would harm competition in the markets in the United States for the (1) distribution of wide-release theatrical films; distribution of anticipated top-grossing theatrical films; and (3) licensing of basic cable…
United States and Plaintiff States v. Cal-Maine Foods, Inc. et al
Arizona, California, Colorado, Connecticut, Florida, Hawaii, Iowa, Maryland, Minnesota, New York, North Carolina, Ohio, Pennsylvania, Texas, Utah, Vermont, Wisconsin and the Department of Justice filed a complaint against three egg producers on June 29, 2026. In the complaint, plaintiffs alleged that between June 2022 and March 2025, the defendants submitted bids that aimed to inflate…
Plaintiff States v. Nexstar Media Group, Inc. and Tegna Inc.
In March 2026, California, Colorado, Connecticut, Illinois, New York, North Carolina, Oregon and Virginia filed a complaint seeking to enjoin Nexstar’s proposed acquisition of Tenga. The complaint alleges that Nexstar is the largest local television broadcast company in the United States and Tenga is the third largest. The complaint states that the merged entity would…
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…
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. 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…
United States and Plaintiff States v. Live Nation Entertainment et al (S.D.N.Y. 1:24-CV-03973-AS)
Forty attorneys general joined the U.S. Department of Justice in a lawsuit against Live Nation Entertainment, Inc. and its subsidiary, Ticketmaster L.L.C. The lawsuit alleges that Live Nation has undertaken anticompetitive conduct in various markets across the live concert ecosystem to maintain its monopoly positions in the markets for primary ticketing services for major concert…
U.S. and Plaintiff States v. Apple, Inc., No. 2:24-cv-04055 (D.N.J. Mar. 21, 2024)
Sixteen states and the U.S. Department of Justice filed a civil antitrust lawsuit against Apple for monopolization or attempted monopolization of smartphone markets in violation of Section 2 of the Sherman Act. The complaint, filed in the United States District Court for the District of New Jersey, alleges that Apple illegally maintains a monopoly over…
Ohio et al. v. National Collegiate Athletic Association (NCAA), No. 1:23-cv-00100 (N.D. W.V. Dec. 7, 2023)
Seven plaintiff states filed suit against the NCAA in 2023, alleging that the NCAA’s transfer eligibility rule is an illegal restraint on college athletes’ ability to market their labor and control their education. The rule requires college athletes who transfer among Division 1 schools to wait one year before competing in games, unless they obtain…
FTC and Plaintiff States v. Amazon.com, Inc., No. 2:23-cv-01495 (W.D. Wash. Sept. 26, 2023)
The FTC and plaintiff states alleged that Amazon, an online retail and technology company, is a monopolist that uses a set of interlocking anticompetitive and unfair strategies to illegally maintain its monopoly power. The lawsuit alleges that Amazon’s actions allow it to stop rivals and sellers from lowering prices, degrade quality for shoppers, overcharge sellers,…
