Patent Act Article 68

Examination of post-grant amendmentThe Specific Patent Agency shall appoint a patent examiner to conduct examination of post-grant amendments, render a decision, and serve it on the patentee, except for a post-grant amendment filed in accordance with Article 77.After approving the post-grant amendment, the Specific Patent Agency shall publish the examination decision therefor.Once a description, claim(s) and drawing(s) are amended and published, such post-grant amendment shall take effect retroactively from the filing date.