A wave of lawsuits targeting Character.AI, OpenAI, Google, and Microsoft is moving through the U.S. legal system, with plaintiffs arguing that these companies built products with fundamental safety failures. At least 58 chatbot-related lawsuits had emerged by early 2026, alongside 78 related state legislative bills. Character.AI faces the most serious allegations, with at least two teenage suicides linked to interactions with its chatbots and multiple families filing wrongful-death claims. Kentucky became the first state to sue an AI chatbot company on January 8, 2026, targeting Character.AI specifically over inadequate age verification and the exposure of minors to harmful content. Legal experts are drawing a direct parallel to Big Tobacco litigation, as chatbots are harder to defend under Section 230 of the Communications Decency Act since they generate content rather than host it.
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