OpenAI sued by Merriam-Webster for copyright infringement
Yahoo Finance·2026-03-17 13:03

Core Argument - Encyclopedia Britannica and its subsidiary Merriam-Webster have filed a lawsuit against OpenAI, claiming that the company copied their copyrighted content without authorization to train its large language models [1] Group 1: Allegations Against OpenAI - The lawsuit alleges that OpenAI used close to 100,000 Britannica articles to train its models, with ChatGPT responses frequently reproducing or closely paraphrasing Britannica's reference content [1] - The complaint states that OpenAI employs a retrieval-augmented generation system to pull from Britannica's content in real time when generating responses [1] Group 2: Impact on Plaintiffs - The plaintiffs argue that ChatGPT substitutes for visits to their websites, depriving them of subscription and advertising revenue that funds their content creation [2] - Trademark claims center on two alleged harms: ChatGPT presenting invented content under Britannica's name and displaying incomplete reproductions of Britannica material in ways that suggest the company's endorsement [2] Group 3: Legal Actions and Responses - The plaintiffs are seeking monetary damages, with the amount to be determined, along with injunctive relief to halt the alleged violations [3] - OpenAI has disputed the claims, stating that their models empower innovation and are trained on publicly available data grounded in fair use [3] - A separate case involving Britannica against AI search company Perplexity AI is also ongoing, highlighting a trend of copyright suits by publishers and authors against AI companies [4]

OpenAI sued by Merriam-Webster for copyright infringement - Reportify