How long does it take to apply for a PCT patent?

How long does it take to apply for a PCT patent? Single-country patent application means that an applicant in China directly applies for a patent in a foreign country or region, and needs to entrust an agency with foreign-related patent agency qualification. So how long does it take to apply for a PCT patent? PCT Patent Application Time How long does it take for PCT patent application? In most cases, the applicant can start the national phase procedure of each specific patent office 18 months after the date of filing the international patent application (or 30 months after the date of filing the first patent application by the applicant). This means that applicants usually need at least 18 months more than those who do not use PCT to meet the national requirements. The extra time can be used to understand the opportunity for the applicant to obtain a patent right and use his invention for commercial purposes in countries that plan to seek patent protection, as well as to evaluate the technical value of the invention and whether it is necessary to continue to seek protection in these countries. It must be pointed out that the applicant does not need to wait 30 months from the earliest filing date (priority date) of the patent application to enter the national phase-the applicant can request to enter the national phase in advance. At the national stage, each patent office has the responsibility to examine the application according to the patent law, rules and practices of the country or region, and finally grant the patent right under all the circumstances. The time required for patent examination and authorization varies from patent office to patent office.