Mark Lanier secured a landmark verdict against Meta and Google in March. The case marked the first social media addiction lawsuit to reach trial. A jury found the companies liable for harms linked to their platforms.
The win signals a shift in how courts treat tech giants. Lanier built his case on internal documents and expert testimony. Jurors heard evidence that platform design drove compulsive use among young users.
Lanier is a trial lawyer known for taking on powerful corporations. He has won major cases against pharmaceutical and manufacturing firms. His approach combines deep preparation with aggressive courtroom questioning.
The social media case centered on claims that algorithms were engineered to maximize engagement. Plaintiffs argued that features like infinite scroll and notifications targeted developing brains. Meta and Google disputed the claims but lost on key points.
Legal observers say the verdict could encourage similar suits. Hundreds of cases are pending across the country. Attorneys are watching how damages and liability are assigned in future trials.
Lanier’s strategy relies on simplifying complex technical evidence for juries. He uses plain language to explain how recommendation systems work. That clarity helped jurors connect platform design to real-world harm.
The case does not end with one verdict. Appeals are expected, and the legal theories will face further scrutiny. Still, the March outcome gives plaintiffs a proven playbook for courtroom battles against Big Tech.




