Microsoft is a co-defendant with OpenAI in the SDNY publisher litigation and a separate defendant in the GitHub Copilot copyright class action. Bing Chat / Copilot output cases are increasing.
Co-defendant on direct-infringement and contributory claims tied to Bing Chat and Azure-hosted GPT-4.
Putative class action over Copilot's reproduction of open-source code without attribution; some claims dismissed, others surviving.
Co-defendant in Tribune-affiliated publisher coalition.