OpenAI is the most-sued AI company in the world. It is a defendant in the flagship news-publisher litigation (NYT, Daily News, the broader Tribune Publishing coalition), the consolidated SDNY Authors Guild MDL, the German GEMA proceeding, the Concord Music sister action, and dozens of additional class and individual cases.
Flagship publisher case alleging direct copyright infringement, contributory infringement, and DMCA §1202 over GPT-4 training and ChatGPT outputs reproducing Times articles.
October 2025 ruling held short plot summaries of plaintiffs' novels may infringe — the first U.S. output-infringement holding against an LLM operator.
Munich court found ChatGPT's reproduction of song lyrics infringed and refused OpenAI's TDM defense as to memorized output.
Eight Tribune-affiliated newspapers' parallel SDNY action; coordinated with NYT discovery.
Mother Jones / Reveal direct-infringement and §1202 claims.
Music publishers' lyrics action, parallel to the Anthropic case.
Eight MediaNews Group / Tribune titles.