Class Action & Mass Torts

By Gerald L Maatman, Jr., Shannon Noelle, and Elizabeth G. Underwood Duane Morris Takeaways: On November 20, 2025, in Buchanan v. Vuori, Inc., No. 5:23-CV-01121 (N.D. Cal. Nov. 20, 2025), Magistrate Judge Nathanael M. Cousins of the U.S. District Court for the Northern District of California imposed sanctions on plaintiff’s counsel for using artificial intelligence

By Gerald L. Maatman, and Jennifer A. Riley Duane Morris Takeaway: In 2025, Artificial Intelligence – AI – continued to influence class action litigation on multiple fronts. First, we saw a growth of class action lawsuits targeting AI, including in the copyright area and employment space, as well as the securities fraud area with claims