What does it mean to withdraw the patent abnormally?

Abnormal withdrawal of a patent means that the patent application is not withdrawn under normal circumstances. Because the patent withdrawal is in the process of examination, if the applicant fails to go through the examination and approval procedures within the time limit prescribed by law or designated by the Patent Office without justifiable reasons, his application shall be regarded as withdrawal, otherwise it shall be regarded as abnormal withdrawal. Therefore, the abnormal withdrawal of a patent means that the patent application is not withdrawn under normal circumstances.