Re-examination of a patent application refers to the request for re-examination made by the applicant to the patent administration department in the State Council, which, after examination by the patent administration department in the State Council, is considered not to meet the requirements of the patent application and meets the conditions for rejection, and the applicant refuses to accept the decision of the patent administration department in the State Council and submits it to the Patent Reexamination Board in the State Council.
Second, how long is the patent reexamination period:
China National Intellectual Property Administration established the Patent Reexamination Board. If the applicant for a patent refuses to accept the decision of the Patent Office to reject the application, he may, within 3 months from the date of receiving the notice, request the Patent Reexamination Board for reexamination. After reexamination, the Patent Reexamination Board shall make a decision and notify the patent applicant. If the patent applicant refuses to accept the reexamination decision of the Patent Reexamination Board, he may bring a lawsuit to the people's court within 3 months from the date of receiving the notice.