Meta Faces Largest Consumer Protection Trial in US History Over Child Safety

Opening arguments began Tuesday in Oakland, California, in what has been described as the largest consumer protection lawsuit in American history: a federal trial pitting a coalition of U.S. states against Meta Platforms over allegations that Facebook and Instagram were deliberately engineered to addict children and teenagers.

Four States, $1.4 Trillion at Stake

The trial, unfolding in U.S. District Court in Oakland before Judge Yvonne Gonzalez Rogers, is being led by attorneys general from California, Colorado, Kentucky and New Jersey. Those four states are part of a broader coalition of 29 states that first sued Meta back in 2023; the remaining 25 states will have their claims heard in a later trial. Meta also continues to face related lawsuits in state courts around the country.

According to recent court filings, the four lead states are seeking financial penalties of up to $1.4 trillion, a figure that would represent nearly the entirety of Meta's current market capitalization, estimated around $1.5 trillion. Kentucky Attorney General Russell Coleman said in a public statement that the case would show jurors evidence that Meta concealed internal knowledge of the harm caused by its products.

More Than Money: A Push to Redesign the Platforms

Unlike many past cases against tech companies that centered mainly on financial damages, the states in this trial are also asking the court to force structural changes to how Instagram and Facebook actually function. Their requests reportedly include eliminating infinite scroll and removing public "like" counts for teenage users, features the states argue were specifically engineered to maximize engagement among young, still-developing minds.

The states are also pursuing claims that Meta violated the federal Children's Online Privacy Protection Act (COPPA) by improperly collecting personal data from children under 13 without parental consent.

In her opening statement, deputy California attorney general Megan O'Neill told jurors the case was not an argument that social media has no value, but rather a challenge to specific design choices the state says were built to keep young users engaged for as long as possible while obscuring what the company knew about the resulting harm.

An Advisory Jury, and a Judge With Big Tech Experience

Judge Gonzalez Rogers, an Obama appointee who has previously overseen major technology cases including Epic Games' antitrust fight with Apple and Elon Musk's lawsuit against OpenAI, has convened an eight-person advisory jury for this trial. Rather than issuing a binding verdict on every claim, the jury's role is to give the judge feedback on community safety standards for children, feedback she can weigh in shaping her own ultimate ruling.

The trial is expected to last roughly six weeks, and both Meta co-founder and CEO Mark Zuckerberg and Instagram head Adam Mosseri are expected to testify at some point in the proceedings.

Meta's Defense: Disputed Diagnosis, Existing Safeguards

Meta is contesting the scientific premise underlying much of the states' case, noting that "social media addiction" is not a formally recognized psychiatric diagnosis. A company spokesperson pointed to more than 30 tools Meta has built to help parents manage and monitor their teens' time on its platforms, and characterized the states' financial demands as an outsized payout chasing largely unsubstantiated claims.

In pretrial arguments, Meta attorney Paul Schmidt told the court that pursuing user engagement is a legitimate business goal, and urged the advisory jurors to view internal company communications about engagement in that context rather than as evidence of intent to harm.

A Trial That Follows Two Major Losses

Meta arrives at this federal trial fresh off two significant defeats in separate cases earlier this year.

In New Mexico, a two-phase case culminated in early August with Judge Bryan Biedscheid ordering Meta to pay $567 million into a state fund for youth mental health treatment and prevention, on top of a $375 million civil penalty a jury had already imposed in March for tens of thousands of violations of the state's Unfair Practices Act. Combined, Meta's total liability in that single case now stands at roughly $942 million, alongside court-ordered changes including limits on overnight notifications and monthly usage caps for minors.

Separately, in a Los Angeles bellwether case decided in March, a California jury found Meta and Google liable for a young plaintiff's anxiety and depression, tying the harm to the platforms' algorithms, autoplay features, and notification design. That case was the first of roughly 1,600 similar consolidated claims working through California courts.

Why This Case Matters

Legal experts have described the Oakland trial as the most significant legal test yet of social media's effect on young users, arriving amid a broader global reckoning over the same question. Unlike the New Mexico case, which was confined to that state's own consumer protection law, a ruling here could shape how dozens of states, and potentially the platforms themselves, approach youth safety design going forward.

The trial continues in the weeks ahead, with testimony from current and former Meta employees, outside researchers, and eventually the company's own top executives expected to shape the record before Judge Gonzalez Rogers issues her ruling.