Patent Act Article 20

Time periodsThe duration of relevant time periods, as specified in this Act, shall not include the beginning date thereof.The duration of the patent, as specified respectively in Paragraph 3 of Article 52, Article 114 and Article 135 of this Act, shall start to run from the filing date of the patent application concerned.
中文原文 專利法第20條
本法有關期間之計算,其始日不計算在內。
第五十二條第三項、第一百十四條及第一百三十五條規定之專利權期限,自申請日當日起算。

English translation for reference only; the Chinese text prevails. Not legal advice.