A group of renowned authors, including George R.R. Martin, have jointly filed a lawsuit against OpenAI for copyright infringement. They allege that OpenAI used their works without authorization to train large language models, thereby jeopardizing the livelihoods of creators. The lawsuit seeks class action status, emphasizing that OpenAI should use public domain works instead of unauthorized copyrighted materials. The authors are concerned that OpenAI's language models could lead to derivative works, damaging the market. This lawsuit highlights the legal challenges faced by the generative AI field.