Judge dismisses lawsuit by Musk's X Corp accusing advertisers of illegal boycott


The X app icon on a smartphone in this illustration taken October 27, 2025. REUTERS/Dado Ruvic/Illustration

WASHINGTON, March 26 (Reuters) - A ⁠U.S. judge on Thursday dismissed X Corp's antitrust lawsuit that ⁠accused the World Federation of Advertisers and major companies ‌including Mars, CVS Health and Colgate-Palmolive of illegally boycotting billionaire entrepreneur Elon Musk’s social media company.

U.S. District Judge Jane Boyle in the federal court in Dallas said ​X failed to show it had suffered ⁠any harm under federal ⁠antitrust laws.

X Corp's lawsuit, filed in 2024, said the advertisers, acting through ⁠a ‌World Federation of Advertisers initiative called Global Alliance for Responsible Media, collectively withheld “billions of dollars in advertising revenue” ⁠from X, previously known as Twitter.

X and the World ​Federation of Advertisers ‌did not immediately respond to requests for comment.

The lawsuit claimed ⁠the advertisers ​acted against their own economic self-interests in a conspiracy against the platform that violated U.S. antitrust law.

CVS and the other defendants had denied any ⁠wrongdoing and urged Boyle to dismiss the ​lawsuit. They argued X failed to show they acted in unison rather than making individual business decisions about when and where to spend ⁠ad dollars.

The companies in a court filing in the lawsuit said advertisers independently chose rival platforms due to concerns about X's commitment to brand safety following Musk's 2022 takeover, during which he ​fired employees they said had kept the site "welcoming ⁠to users and accommodating to family-friendly brands."

Boyle wrote in her order ​that "the very nature of the alleged conspiracy ‌does not state an antitrust claim, ​and the court therefore has no qualm dismissing with prejudice."

(Reporting by Mike Scarcella; Editing by David Bario, Rod Nickel)

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