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IN RE: SOCIAL MEDIA ADOLESCENT ADDICTION/PERSONAL INJURY PRODUCTS LIABILITY LITIGATION

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Case overview

Case Number:

4:22-md-03047

Court:

California Northern

Nature of Suit:

Personal Inj. Prod. Liability

Multi Party Litigation:

Multi-district Litigation, Class Action

Judge:

Yvonne Gonzalez Rogers

Firms

Companies

Government Agencies

Sectors & Industries:

  1. December 01, 2025

    Meta Can't Block 'Disgruntled' Researcher's Depo Responses

    A California federal judge overseeing discovery in litigation against social media giants over their impact on youth mental health rejected Meta's bid Monday to block a "disgruntled" former researcher from sharing information it deems attorney-client privileged in an upcoming deposition.

  2. November 24, 2025

    Meta Buried Own Research On Youth Harm, Schools Say

    School districts are alleging that Meta clamped down on internal research showing that the mental health of young users suffered from compulsive use of its social media platforms, even as staff likened themselves to drug pushers.

  3. November 19, 2025

    29 AGs Want Social Media Addiction Fight Decided In 1 Trial

    A coalition of 29 state attorneys general Wednesday urged a California federal judge presiding over social-media addiction multidistrict litigation to consolidate state law claims into a single jury trial, while Meta's counsel argued that there's no case law precedent for such a single trial and it would be prejudicial.

  4. November 06, 2025

    Social Media Apps Must Face Jury After Section 230 Loss

    A California state judge refused Wednesday to grant social media companies summary judgment on claims their platforms harm young users' mental health, again rejecting arguments that Section 230 of the Communications Decency Act shields them from liability, and sent three cases to bellwether trials, with the first to begin Jan. 27.

  5. October 24, 2025

    Meta To Face Sanctions Bid Over Alleged Atty-Advice Fraud

    Plaintiffs told the California federal judge presiding over social media-addiction multidistrict litigation that Meta should be sanctioned after a D.C. court found Meta likely engaged in "crime, fraud, and/or misconduct" when, on the advice of counsel, it modified its research into Facebook's effects on teens' mental health to limit its liability.

  6. October 20, 2025

    TikTok Must Produce Docs On Anorexic Influencer

    A California federal judge on Monday ordered TikTok to produce documents related to Eugenia Cooney, an influencer with anorexia and 2.8 million followers, in litigation over claims social media hurts youth mental health, and also instructed YouTube to yield documents on two of its witnesses.

  7. October 08, 2025

    NYC Takes Social Media Youth Addiction Suit To Federal Court

    New York City has withdrawn from coordinated litigation against social media companies in California and filed a largely identical suit in federal court, a move the city determined was in its "best interest" for holding the companies accountable for purposefully getting youth hooked on their addictive platforms, a spokesperson said Wednesday.

  8. September 29, 2025

    Meta Faces Sanctions Bid Alleging Co. Destroyed 'Taps' Data

    Personal injury plaintiffs have urged a California state judge to sanction Meta Platforms Inc. in coordinated litigation over claims social media harms young users' mental health, alleging Meta willfully destroyed crucial time‑stamped "taps" data that captures users' taps, scrolls and swipes on Facebook and Instagram.

  9. September 16, 2025

    TikTok Accused Of Withholding Docs On Anorexic Influencer

    Personal injury plaintiffs have told a California magistrate judge presiding over discovery in multidistrict litigation that TikTok is refusing to hand over more information about the app's relationship with Eugenia Cooney, a TikTok influencer with anorexia and 2.8 million followers, according to a document unsealed on Monday.

  10. August 22, 2025

    9th Circ. Blocks Meta's MDL Discovery Against State Agencies

    The Ninth Circuit blocked an order requiring California's attorney general and third-party state agencies to respond to Meta's discovery demands in multidistrict litigation concerning the company's allegedly addictive designs, ruling Friday the attorney general isn't deemed to possess or control the state agencies' records and Meta must obtain them through subpoenas.