1) A defense is required
2) Requesting corrections means that your invention is defective and may not pass your patent review. Even if authorized, it is incomplete authorization. Once you have the certificate, it cannot be changed
3) No application form and fee are required, just submit the corrections to the Patent Office
4) There is no need to write down the fee reduction, etc., as the individual application has been declared. There is no need to apply again
5) No, you must submit supplementary documents, opinions, etc.
Your patent correction cannot exceed the scope of rights. It cannot exceed the range stated in the manual.
It is best to find an agency to look at your patent and see how to operate it, otherwise it will be difficult for you to defend it yourself. . Just apply through an agency before. . . .