The settlement ends a case that began in 2024 and was dismissed by a federal judge in March 2026. The lawsuit alleged that advertisers acted together through the Global Alliance for Responsible Media to withhold billions of dollars in spending. Federal Judge Dismissed the CaseUS District Judge Jane Boyle dismissed X’s lawsuit with prejudice on March 26, preventing the company from filing the same federal antitrust claims again. The judge found that X had failed to show sufficient harm or coordinated conduct under federal competition law. He had previously responded to companies that suspended spending on X by publicly telling them not to advertise on the platform.