https://www.epo.org/en/node/sources-information-3

Where can I find legal-status information on Taiwanese patents in English?

Basic legal-status information can be retrieved from the English-language version of the free Taiwan Patent Search (TWPAT) database hosted by the TIPO. For tips on finding up-to-date legal-status information via the Chinese interface of the TWPAT database, please consult the search guide on our website, Searching in databases – Chinese Taipei.

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