https://www.epo.org/en/service-support/faq/searching-patents/asian-patent-information/taiwan-province-china/after-grant
Can I request an extension of the patent term in Taiwan, Province of China?
Supplementary protection certificates (SPCs) are known as "patent term extensions" in Taiwan, Province of China. You can apply for an extension (of a maximum of five years) if your patent is for a pharmaceutical, an agrochemical, or a process for their preparation, and marketing the patented invention is subject to governmental approval. Only one extension is possible.
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