(2) Defects in format or procedure can generally be eliminated by correction; Obvious defects are generally difficult to eliminate through revision or modification, and in most cases, we can only defend and state our opinions on whether there are or belong to obvious defects.
(3) The modification of an application for a patent for invention or utility model shall not exceed the scope recorded in the original specification and claims, and the modification of an application for a patent for design shall not exceed the scope shown in the original picture or photograph. When submitting the revised document, a replacement page shall be attached in the prescribed format.
(4) The defence shall be filed in the prescribed form. Such as submitting corrections or comments. The applicant shall, in accordance with the requirements of the examiner, use the correction or opinion statement. Under normal circumstances, the formal or procedural problems are corrected by using the correction book, and the substantive contents of the application are modified by using the opinion statement. If the applicant disagrees with the examiner's opinion, use a statement of opinion when replying.