Patent Act Article 38

Request for substantive examinationA request to the Specific Patent Agency for substantive examination of a patent application for invention may be made by any person within three (3) years after the filing date of the patent application.Where a division request is made pursuant to Paragraph 1 of Article 34 or where a patent application is converted into a patent application for invention pursuant to Paragraph 1 of Article 108, if the time period set forth in the preceding paragraph has lapsed, a request for substantive examination may be made within thirty (30) days after such request for division or conversion.A request for substantive examination according to the preceding two paragraphs shall not be withdrawn.Where a request for substantive examination is not filed within the time period prescribed in Paragraph 1 or Paragraph 2, the patent application for invention shall be deemed to have been withdrawn.
中文原文 專利法第38條
發明專利申請日後三年內,任何人均得向專利專責機關申請實體審查。
依第三十四條第一項規定申請分割,或依第一百零八條第一項規定改請為發明專利,逾前項期間者,得於申請分割或改請後三十日內,向專利專責機關申請實體審查。
依前二項規定所為審查之申請,不得撤回。
未於第一項或第二項規定之期間內申請實體審查者,該發明專利申請案,視為撤回。

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