OpenAI Inc. and Microsoft Corp.’s GitHub are set to face the U.S. Court of Appeals for the Ninth Circuit regarding a copyright lawsuit initiated by open-source programmers. The programmers allege that artificial intelligence (AI) coding tool Copilot infringes upon the Digital Millennium Copyright Act by using open-source code for training without proper attribution. Judge Jon S. Tigar has approved the programmers’ request for the mid-case appeal, which will determine if OpenAI’s actions constitute a violation of copyright law. The lawsuit was first filed in 2022, highlighting ongoing tensions between AI development and copyright protections.