Invention Patent
Application is filed
Request for Substantive Examination is submitted (within 3 years from filing date)
2 weeks
Filing receipt issued
Application is in good order
20 – 30 months
Substantive Examination
Office Action (OA) may be issued.
Amendment/Reply to OA within 4 - 6 months
4 – 6 months
Notice of Allowance (NoA) will be issued
Issue Fee shall be paid within 2 months
2 months
Certificate issued.
Patent published onto the Patent Gazette
* The time frame shown above indicates average processing time of the CNIPA, it can be varied from the actual situation due to the subject matter of application.