A three-decade coalition of 29 states and California federal authorities will bring Meta Platforms to a California federal court this August to pursue claims that Facebook and Instagram are engineered to be addictive for children and that Meta illegally collects and uses kids’ data, potentially exposing the company to sweeping damages and platform changes.

Meta denies the allegations, arguing it has implemented safety features, listened to parents and experts, and remains committed to helping young people while pursuing ongoing improvements.

The case builds on the wake of whistleblower Frances Haugen’s disclosures and broader global scrutiny over youth safety on social media, amid prior legal outcomes including a $567 million verdict in New Mexico and a Kentucky school-district settlement.

For investors, the trial introduces broad uncertainty and could set a legal precedent that affects the wider social media industry, as thousands of related cases remain pending and attention centers on management’s defense and any potential settlements.

Public concern about social media addictiveness is rising, with recent polls showing strong demand for stricter oversight of platforms that reach young users.

The case could yield significant penalties and force major changes to Facebook and Instagram, with implications for other tech firms facing similar lawsuits, including Google and TikTok.

There is dispute over the maximum penalty figure, as the judge questions the reasonableness of a $1.4 trillion claim, and the jury’s findings may be advisory while the judge determines penalties and remedies.

Legal analysts view the case as potentially pivotal for Meta and the broader industry, given the prospect of large damages and court-ordered platform changes.

A key risk for Meta is potential interim court orders on design features that could alter product roadmaps and daily operations.

U.S. District Judge Yvonne Gonzalez Rogers will oversee the trial, with an advisory jury providing findings to guide the judge’s ruling; a decision is anticipated after the October trial concludes.

The judge will consider advisory findings from an impartial jury but is not bound to follow them, and a formal decision is expected in October 2026.

The outcome could affect Meta’s finances and set a broader precedent for platform responsibility in protecting children online, with potential ripple effects on other major tech companies.