If the Patent Examination Guide also stipulates that if the notice of confidentiality examination opinions is not received within 4 months from the date of filing the request for confidentiality examination, or the decision on confidentiality examination is not received within 6 months, the patent may be self-managed in a foreign country.
Generally speaking, the probability of the following two situations is relatively small. Therefore, inventions made in China need to be reviewed if they want to go abroad. Individuals can also apply for PCT, that is, international application, and then specify several countries that need protection. This is good, too. PCT applications filed in China are considered confidential. In fact, patent application is so troublesome, why not entrust an agency, so you don't have to worry.