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:

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.
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.
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.
August 12, 2025
Meta's Discovery Win Faces 'Immense' Fallout, 9th Circ. Told

The California Attorney General's Office urged the Ninth Circuit on Tuesday to reverse a lower court's order requiring third-party state agencies to respond to Meta Platforms' discovery demands in multidistrict litigation over social media's alleged harms, saying the "egregiously wrong" order will have "immense" consequences.
July 18, 2025
Social Media MDL Judge Could Bifurcate Bellwether Trials

A California federal judge presiding over multidistrict litigation by school districts and personal injury plaintiffs claiming social media is addictive said Friday she'll likely bifurcate bellwether trials into two phases, with the judge presiding over the second phase, if plaintiffs seek any relief "that may be injunctive in nature."
July 17, 2025
Facebook Whistleblower Calls Meta Discovery A Smear Job

Facebook whistleblower Frances Haugen on Thursday urged a California federal magistrate judge to limit Meta's discovery in multidistrict litigation over claims that social media is addictive and harmful to children's mental health, saying many of their requests are irrelevant and merely seek to smear her name.
July 08, 2025
Product Liability Cases To Watch In 2nd Half Of 2025

The fate of a $2.5 billion punitive damages award against Ford and looming bench verdicts in the first PFAS trials brought by a state are among the cases that product liability attorneys will be following closely in the second half of 2025.
July 07, 2025
Personal Injury & Med Mal Cases To Watch In 2nd Half Of 2025

The social media addiction multidistrict litigation against the biggest tech companies and a U.S. Supreme Court case regarding state medical malpractice lawsuit requirements are among the cases injury and malpractice attorneys will be following closely in the second half of 2025.
June 13, 2025
Social Media Addiction MDL Judge Picks Bellwether Trial Pool

A California federal judge on Friday narrowed the pool of cases set for the first bellwether trials in sprawling multidistrict litigation by school districts and personal injury plaintiffs over claims social media is addictive, choosing six bellwether school districts in Maryland, Georgia, Kentucky, New Jersey, South Carolina and Arizona.
June 12, 2025
'I Want Names': YouTube Attys' MDL Redactions Face Scrutiny

A California federal magistrate judge ordered YouTube on Thursday to provide him with unredacted versions of documents it produced in sprawling multidistrict litigation over claims social media is addictive, and demanded that YouTube identify counsel who made its relevance-redaction determinations, saying. "I want names and I want teams."

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