Anthropic watermarks Claude's text and file outputs to comply with EU rules
Anthropic has reportedly been invisibly watermarking Claude's outputs since 2 August to meet EU transparency rules. According to Euronews, the marking applies worldwide.
Who is affected and how
- compliance specialist
- Provider-side watermarking shows how the machine-readable marking requirement is being met, and it is the point to raise in your own supplier assessments.
- lawyer
- Text produced with Claude carries a watermark, so provenance checks on documents meant for clients need to take this into account.
Sources
- Anthropic to watermark AI-generated content – Computerworldcomputerworld.com · Aug 11, 2026
- Anthropic adding watermarks to AI-generated content to comply with EU law - New York Postnypost.com · Aug 12, 2026 · magyar
- Anthropic Is Watermarking Text Generated By Claude To Comply With EU Lawengadget.com · Aug 15, 2026
- Text copied from Claude to have AI watermark under new EU lawthejournal.ie · Aug 11, 2026
- D.A.D.: Claude Now Watermarks Its Text Following EU Content Law — 8/11 - Buttondownbuttondown.com · Aug 12, 2026 · magyar
- EU compliance worldwide: Anthropic watermarks all Claude outputs | Euronewshu.euronews.com · Aug 11, 2026 · magyar
- Anthropic starts watermarking AI-generated content - HWSWhwsw.hu · Aug 12, 2026 · magyar
Machine-generated summary based on the titles and excerpts of the source articles. The source article is the authority for the facts. News monitoring, not legal advice.