Legal analysis: submit a review request, explain the reasons, and attach relevant evidence when necessary. If the written request for reexamination does not conform to the prescribed format, the person requesting reexamination shall make corrections within the time limit specified by the Patent Reexamination Board; If no correction is made at the expiration of the time limit, the request for reexamination shall be deemed not to have been made. The claimant may modify the patent application documents when making a request for reexamination or replying to the notice of reexamination of the Patent Reexamination Board; However, the amendment should be limited to eliminating the defects pointed out in the rejection decision or review notice.
Legal basis: Article 41 of the Patent Law of People's Republic of China (PRC). If the patent applicant refuses to accept the decision of the patent administration department in the State Council to reject the application, he may request a reexamination to the patent administration department in the State Council within three months from the date of receiving the notice. After the review, the patent administration department in the State Council shall make a decision and notify the patent applicant. If the patent applicant refuses to accept the reexamination decision of the patent administrative department of the State Council, he may bring a lawsuit to the people's court within three months from the date of receiving the notice.