If the patent application is delayed by some statutory deadlines or specified deadlines due to "force majeure" or "justifiable reasons", resulting in the loss of its rights, the applicant (or patentee) may within the prescribed period Go through the formalities for requesting restoration of rights. Among them, "force majeure" is also called "force majeure" or "other obstacles" in the "General Principles of Civil Law", "Contract Law", "Administrative Procedure Law" and other laws. "Force majeure" is similar to what is called "force majeure" in civil law. They both refer to objective situations caused by natural factors or social factors that the applicant (or patentee) cannot foresee, avoid, and cannot overcome. , such as floods, earthquakes, plagues, wars, turmoil, etc. "Justifiable reasons" generally refer to delays caused by neither the applicant's (or patentee's) original intention nor the applicant's (or patentee's) subjective malice, such as the applicant's illness or the submission of documents being delayed during delivery. Loss and other reasons.