How long does it usually take to apply for patent reexamination?

It usually takes 3 months to apply for patent reexamination.

Patent reexamination procedure is a kind of relief for the applicant when the patent application is rejected. According to the relevant regulations, the Patent Reexamination Board accepts and examines the request for reexamination and makes a decision. Cases requesting re-examination include cases requesting patent re-examination because they refuse to accept the decision to reject the patent application in the preliminary examination and substantive examination procedures. Only the patent applicant has the right to start the patent reexamination procedure, and must submit it to the Patent Reexamination Board of the State Intellectual Property Office within 3 months after receiving the notice of rejection.

According to the law, if the patent applicant refuses to accept the decision of the patent administration department in the State Council to reject the application within three months from the date of receiving the notice, he may request a reexamination from the patent administration department in the State Council. Where the administrative department for patent in the State Council decides to reexamine, it shall make a decision and notify the parties concerned. According to the relevant regulations, 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 from 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.

Article 34 of the Patent Law of People's Republic of China (PRC) * * * After receiving an application for a patent for invention, the administrative department for patent in the State Council, after preliminary examination, finds that it conforms to the provisions of this Law, shall immediately publish it after 18 months from the date of application. The patent administration department of the State Council may publish its application at an early date upon the request of the applicant.

Article 35 Within 3 years from the date of filing, the administrative department for patent in the State Council may, upon the request of the applicant at any time, make a substantive examination of the application; If the applicant fails to request substantive examination within the time limit without justifiable reasons, the application shall be deemed to have been withdrawn.

The patent administrative department of the State Council may, when it deems it necessary, examine the application for a patent for invention on its own.