What is the time limit for patent reexamination?

Legal analysis: there is a time limit for filing a patent reexamination. The applicant shall file a request for review within three months from the date of receiving the rejection decision. Patent reexamination procedure is a kind of remedy for the applicant when the patent application is rejected.

Legal basis: Article 41 of the Patent Law of People's Republic of China (PRC), 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 three months after receiving the notice of rejection.