Encyclopedia Britannica and its subsidiary Merriam‑Webster have filed a copyright and trademark lawsuit against OpenAI in the Southern District of New York. The complaint alleges that OpenAI used thousands of the publishers’ articles as training data for ChatGPT and then generated responses that reproduce the content without permission, harming the publishers’ revenue and brand reputation. The case mirrors a prior suit against Perplexity and may be consolidated into a larger multidistrict litigation involving other news publishers. Read more →