HOME > IP INFORMATION > Patent & Utility Model > Japanese Patent & Utility Model FAQs > Application Number for Japanese National Phase of a PCT Application
Japanese Patent & Utility Model FAQs
Application Number for Japanese National Phase of a PCT Application
1. When is a Japanese patent application assigned an application number?
The Japanese Patent Office has changed the timing for issuing a patent application no. for PCT cases from 2004, e.g., PCT/US2004/xxxxx. The Japanese Patent Office issues a patent application no. after 33-34 months from the filing date of the priority application.