What do you mean by patent participation in revision?

Modify the patent. In the most popular words, the active modification of a patent is that there is something wrong with the file of the patent application, and the modification mainly refers to the modification of the application content. Applications for patents for utility models and designs are only allowed to be actively modified within 3 months from the date of application, and applications for patents for inventions are only allowed to make requests and reply to the examination.