Patent Act Article 34

Divisional application of invention patentA patent application that substantially contains two or more inventions may, upon notice by the Specific Patent Agency or upon request by the applicant, be divided into two or more divisional applications.A request for division shall be filed within any of the following time periods:1. before a reexamination decision on the original patent application is rendered; or2. within three (3) months after the date on which an approval decision for the original patent application or reexamination is served.The filing date of the divisional patent application shall be the same as the filing date of the original application. Where the priority claim has been made, the applicant may claim priority for the divisional patent application.The divisional patent application shall not extend beyond the scope of content disclosed in the description, claim(s), or drawing(s) of the original patent application as filed.For the divisional patent application filed in accordance with Subparagraph 1 of Paragraph 2, the examination thereof shall resume the completed examination procedure of the original patent application.For the divisional patent application filed in accordance with Subparagraph 2 of Paragraph 2, it shall be based on the invention(s) disclosed in the description or the drawing(s), but shall not be the same as that which has been approved in the original patent application; the examination thereof that has been conducted before the original patent application is approved shall be resumed.The description, claim(s), or drawing(s) of the original patent application that have been approved may not be altered and shall be published based on the claim(s) and drawing(s) as originally approved.