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OpenAI stole content for AI summaries, Encyclopedia Britannica tells US court

( March 13, 2026, 18:05 GMT | Official Statement) -- MLex Summary: Encyclopedia Britannica filed a US complaint accusing OpenAI of engaging in mass-scale copying of its copyrighted content to use to train its artificial intelligence models to provide outputs that mimic Britannica’s content. The complaint says OpenAI’s ChatGPT-based AI products free ride on Britannica’s content — made possible through the work of human researchers, writers, editors, and creators — by cannibalizing traffic to OpenAI’s websites with AI-generated summaries of Britannica’s own content.See attached file. ...

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