Encyclopædia Britannica and Merriam-Webster Sue OpenAI for Copyright Infringement

Here's what it means for you.
The outcome of this lawsuit could redefine how AI models are trained and the legal landscape surrounding copyright in the tech industry.
What happened
On March 13, 2026, Encyclopædia Britannica and Merriam-Webster filed a copyright and trademark infringement lawsuit against OpenAI.
The Context
- Established publishers: Encyclopædia Britannica has been producing high-quality reference materials for over 250 years, while Merriam-Webster has been a trusted dictionary since 1831.
- AI training practices: OpenAI claims its models are trained on publicly available data under fair use, a principle now under scrutiny.
- Litigation trend: This lawsuit follows a series of similar actions by content creators against AI firms, reflecting rising tensions over intellectual property rights.
The Number
copyrighted articles are allegedly copied by OpenAI for AI training, highlighting the scale of the dispute and its potential implications for content creators and AI developers alike.
Takeaway
As the case unfolds, expect increased scrutiny on AI training practices and possible changes in copyright law that could impact how AI companies operate.
Latest tech news, product reviews, and analysis for consumers and professionals.
"CNET delivers accessible and detailed technology reporting, including trusted product reviews and how-to guides."
— A47 Editor
Encyclopedia Britannica and Merriam-Webster Sue OpenAI
Encyclopedia Britannica and Merriam-Webster have filed a lawsuit against OpenAI, alleging that the company used their copyrighted content to train its AI models, including ChatGPT, which reportedly generated responses similar to their original works....
Daily AI news: models, tools, and policy.
"Independent outlet tracking the fast pace of AI."
— A47 Editor
Encyclopedia Britannica sues OpenAI for training on nearly 100,000 articles without permission
Encyclopedia Britannica has filed a lawsuit against OpenAI, alleging that the company trained its AI models on nearly 100,000 of its articles without permission, raising significant copyright and trademark infringement concerns. This legal action hig...
Consumer technology news with AI coverage.
"Gadget and tech site reporting on AI in products."
— A47 Editor
Encyclopedia Britannica sues OpenAI for copyright and trademark infringement
Encyclopedia Britannica has initiated legal proceedings against OpenAI, alleging copyright and trademark infringement. The lawsuit claims that OpenAI unlawfully utilized Britannica's copyrighted content on a large scale to train its AI models, includ...
Covers consumer technology, electronics, gadgets, and product reviews.
"Engadget is a trusted source for gadget reviews and consumer tech news, known for its hands-on analysis and industry coverage."
— A47 Editor
Encyclopedia Britannica sues OpenAI for copyright and trademark infringement
Encyclopedia Britannica has initiated legal proceedings against OpenAI, alleging copyright and trademark infringement. The lawsuit claims that OpenAI unlawfully utilized Britannica's copyrighted content on a large scale to train its AI models, includ...