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Policy and law

Anthropic applies EU-mandated Claude watermarking to all regions worldwide

Anthropic began embedding invisible machine-readable watermarks in text from new Claude models, citing the EU AI Act's Article 50 labelling duty and its July 2026 signing of the EU Code of Practice on AI transparency, and applied the marking worldwide rather than only within the EU.

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Verified Anthropic, company announcement, 11 August 2026

What it does not test. This does not establish that Anthropic's models, infrastructure or ownership have become European.

How this item counts. No movement: no answer to who owns, who operates, whose law governs or who made the parts changes. Weight 0. Anthropic (US) adds EU-mandated watermark globally; ownership, infra, governing law unchanged. European Sovereignty Index

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