# Encyclopedia Britannica

Type: Company

Source: Legal & RegTech Intelligence Brief — https://getlegalbrief.com/entity/encyclopedia-britannica
Canonical HTML page: https://getlegalbrief.com/entity/encyclopedia-britannica

## Timeline

- **2026-03-17**: Britannica Filing — Encyclopedia Britannica officially files suit against OpenAI for unauthorized training.
- **2026-03-16**: Dictionary Lawsuit — Encyclopedia Britannica and Merriam-Webster file a joint lawsuit against OpenAI over 100,000 articles.
- **2024-05-22**: News Corp Deal — OpenAI signs a multi-year licensing deal with News Corp worth over $250M.
- **2023-12-27**: NYT Lawsuit — The New York Times sues OpenAI and Microsoft for copyright infringement.
- **2023-12-27**: NYT Lawsuit — The New York Times sues OpenAI and Microsoft over copyright infringement.
- **2022-11-30**: ChatGPT Launch — OpenAI releases ChatGPT, sparking global interest in LLMs trained on massive datasets.

## Recent coverage (3 stories)

### Britannica vs. OpenAI: The Battle for Curated Knowledge in the AI Era
2026-03-17 23:54:07 · Sentiment: Bearish · Impact: 7/10 · Sources: 2

Encyclopedia Britannica has filed a major copyright infringement lawsuit against OpenAI, alleging the unauthorized use of its peer-reviewed knowledge base to train generative AI models. The case represents a critical challenge to the 'fair use' defense for AI training on high-authority factual data.
Full story: https://getlegalbrief.com/story/britannica-sues-openai-copyright-infringement

### Britannica and Merriam-Webster Sue OpenAI Over Copyright Infringement
2026-03-17 06:10:18 · Sentiment: Bearish · Impact: 7/10 · Sources: 2

Encyclopedia Britannica and its subsidiary Merriam-Webster have filed a lawsuit against OpenAI in Manhattan federal court, alleging the unauthorized use of their reference materials to train large language models. The legal action marks a significant escalation in the battle between legacy knowledge institutions and AI developers over the value of curated, authoritative data.
Full story: https://getlegalbrief.com/story/britannica-merriam-webster-sue-openai-copyright

### Dictionary Giants Sue OpenAI Over 100,000 Copyrighted Articles
2026-03-16 18:09:57 · Sentiment: Bearish · Impact: 7/10 · Sources: 2

Encyclopedia Britannica and Merriam-Webster have filed a joint lawsuit against OpenAI, alleging the unauthorized use of nearly 100,000 articles for training generative AI models. The legal action marks a critical escalation in the battle over intellectual property rights in the age of large language models.
Full story: https://getlegalbrief.com/story/dictionary-giants-sue-openai-copyright-infringement

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