Civil Litigation
Oct. 21, 2025
Judge orders Zuckerberg, Mosseri, Spiegel to testify in social media trials
A Los Angeles judge ordered Mark Zuckerberg, Adam Mosseri and Evan Spiegel to testify in bellwether trials over claims that Facebook, Instagram and Snapchat harm students' mental health and learning.
Big tech executives Mark Zuckerberg, Adam Mosseri and Evan Spiegel will have to testify in coordinated proceedings for civil claims that their social media platforms Facebook, Instagram and Snapchat promote addictive behavior in students with negative impacts on learning and mental health, a Los Angeles judge ruled on Monday.
Judge Carolyn B. Kuhl struck down motions to quash trial notices compelling the executives to testify, finding that the apex doctrine protecting high-level e...
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