Enforcement Rules of the Patent Act Article 81

When requesting for a post-grant amendment to the description or drawing(s) pursuant to Article 139 of the Act, a request form shall be submitted and accompanied by a complete set of description or drawing(s) after the post-grant amendment without marks.The request form referred to in the preceding paragraph shall specify the following items:1.where a post-grant amendment is made to the description, the page number(s), line number(s) thereof, the contents amended and reasons for the post-grant amendment;2.where a post-grant amendment is made to the drawing(s), the title(s) thereof and reasons for the post-grant amendment.The contents amended before and after the post-grant amendment shall be specified; the deleted original disclosure shall be indicated by a strikethrough of the deleted text(s); the added disclosure shall be indicated by underlining the added text(s).The reasons for post-grant amendment referred to in Paragraph 2 shall specify the applied provision(s) of Paragraph 1, Article 139 of the Act.When requesting for a post-grant amendment during invalidation proceedings, the patentee shall specify the number of invalidation action in the request form.