Image by HBO On October 27, 2025, U.S. District Judge Sidney Stein sent a chill through Silicon Valley: winter is coming for generative AI. In a pretrial Order & Opinion denying OpenAI’s motion to dismiss In re OpenAI, Inc. Copyright Infringement Litigation , Judge Stein held that the class actions’ allegations that OpenAI infringed plaintiffs’ works “satisfy the elements of a prima facie claim of infringement as to at least some outputs of ChatGPT.” Specifically, the class asserted that...