A recent lawsuit has cast a spotlight on the collaboration between OpenAI and Microsoft, unraveling a legal saga surrounding the alleged unauthorized use of copyrighted material to train OpenAI's GPT-based models. Filed in a New York federal court, the lawsuit contends that Microsoft played a pivotal role in the creation and commercialization of OpenAI's AI products, specifically focusing on the ChatGPT model. This unexpected legal development adds a layer of complexity to the ongoing copyright infringement cases against OpenAI.