Patent Act Article 49

Amendment during reexaminationWhere a decision of rejection is rendered pursuant to Paragraph 2 of Article 46, the applicant may amend the description, claim(s), or drawing(s) during the reexamination stage.Where a final notice has been issued before the decision of rejection is rendered for a patent application, any amendment made during the reexamination stage shall still be subject to limitations set forth in each subparagraph of Paragraph 4 of Article 43. The above shall not apply to reexamination, if the Specific Patent Agency finds that the final notice issued in the original examination procedure was improper.The Specific Patent Agency may issue a final notice accordingly under any of the following conditions:1. where the reason(s) for reexamination still entail grounds for an rejection;2. where the amendment(s) made during the reexamination stage still entail grounds for an rejection; or3. where an amendment made in accordance with the preceding paragraph is in violation of the subparagraphs of Paragraph 4 of Article 43.
中文原文 專利法第49條
申請案經依第四十六條第二項規定,為不予專利之審定者,其於再審查時,仍得修正說明書、申請專利範圍或圖式。
申請案經審查發給最後通知,而為不予專利之審定者,其於再審查時所為之修正,仍受第四十三條第四項各款規定之限制。
但經專利專責機關再審查認原審查程序發給最後通知為不當者,不在此限。
有下列情事之一,專利專責機關得逕為最後通知:
一、再審查理由仍有不予專利之情事者。
二、再審查時所為之修正,仍有不予專利之情事者。
三、依前項規定所為之修正,違反第四十三條第四項各款規定者。

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