How long does it take to apply for an international PCT patent?

Recently, the number of PCT patent applications in Shenzhen is ahead of the national high-tech zones, and it also drives the development of surrounding cities. According to the provisions of PCT, patent applicants can submit international patent applications through PCT and apply for patents in many countries. For China enterprises going overseas, the arrangement of overseas patents is very important. So how long does it take to apply for an international PCT patent? How long does it take to apply for an international PCT patent? How long does it take to apply for an international PCT patent? 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). 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. Submission of PCT application materials: 1) power of attorney; (2) The name, address and postal code of the patent applicant; (3) the name, address and postal code of the inventor; 4) China application acceptance letter; 5) How long does it take to apply for international PCT patent application documents (including instructions, claims, abstracts and drawings)? Bian Xiao answered this question here. If you have more questions about patent application, you can continue to pay attention to Bajie Intellectual Property or contact us by phone.