Ninth Circuit rejects Meta, TikTok appeals in social media addiction lawsuits
Ninth Circuit rejects Meta and TikTok appeals, enabling over 10,000 addiction lawsuits to move forward.
Why it matters: These rulings increase social media companies' legal exposure, impacting platform liability and compliance strategies for corporate legal teams and litigators.
- On August 10, 2026, Ninth Circuit denied Meta and TikTok appeals in user addiction lawsuits, allowing 10,000+ cases to proceed.
- A March 2026 Los Angeles jury awarded $6 million in K.G.M. v. Meta and YouTube for alleged addictive platform design.
- Over 40 state attorneys general have filed addiction-related claims against Meta Platforms.
- Courts including the Ninth and Third Circuits ruled Section 230 and First Amendment defenses do not bar these claims.
- California consolidated about 1,600 plaintiffs under Judicial Council Coordinated Proceedings (JCCP 5255) for coordinated litigation.
On August 10, 2026, the U.S. Court of Appeals for the Ninth Circuit formally denied appeals by Meta Platforms and ByteDance's TikTok, allowing mass lawsuits accusing these companies of fostering addictive environments that harm minors to proceed. The litigation alleges these platforms intentionally design features to circumvent parental controls and expose young users to psychologically harmful content.
One significant case in this wave, K.G.M. v. Meta et al., resulted in a Los Angeles jury awarding $6 million in March 2026. The plaintiff accused Meta and Google's YouTube of negligence through addictive design causing mental health damage. This verdict highlights the serious financial risks social media companies now face.
Legal expert Jeffrey Robbins of Saul Ewing LLP estimates potential liabilities rising sharply as approximately 2,400 similar cases advance, multiplying such damages. Additionally, over 40 state attorneys general have filed claims against Meta alleging addiction-related harms. Importantly, courts including the Ninth Circuit have ruled that Section 230 of the Communications Decency Act and First Amendment protections do not shield platforms from claims focused on their algorithmic design and moderation practices.
California's Judicial Council consolidated around 1,600 plaintiffs in JCCP 5255 to coordinate this complex litigation. Earlier rulings, such as the Third Circuit's August 2024 decision in Anderson v. TikTok, have eroded Section 230 immunity for claims based on algorithmic recommendations, setting a precedent in favor of plaintiffs.
This cluster of rulings and ongoing litigation signal heightened judicial focus on social media platforms' responsibilities for user addiction risks. For legal teams and compliance officers, this evolving landscape demands close attention to platform moderation policies, algorithm transparency, and emerging liability exposures.
By the numbers:
- 10,000+ — number of addiction lawsuits allowed to proceed by Ninth Circuit ruling
- $6 million — damages awarded in March 2026 LA jury verdict in K.G.M. v. Meta et al.
- 40+ — state attorneys general filing addiction-related claims against Meta