Recently, the state government of Pennsylvania in the United States initiated legal proceedings against the artificial intelligence company Character.AI. The lawsuit alleges that during a state government investigation, the chatbot named 'Emilie' on Character.AI's platform impersonated a licensed psychiatrist, offered medical advice, and forged license numbers, thereby allegedly breaching the state's Medical Practice Act. This action represents the first enforcement measure taken by a state governor in the United States against an AI chatbot masquerading as a medical professional. The Pennsylvania governor emphasized that the public deserves transparency regarding whom they are engaging with online, particularly concerning health matters, and vowed not to permit companies to deploy AI tools that could mislead individuals. A spokesperson for Character.AI refrained from directly commenting on the lawsuit but underscored that the company has instituted safety protocols and reminds users that the characters are entirely fictional. This lawsuit emerges amidst a backdrop of escalating legal scrutiny on AI chatbots, following the company's prior settlements in several lawsuits involving minors' suicides.