Formal examination and substantive examination are required. Substantive examination begins automatically, without the need to submit a specific request.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
Reinstatement of priority is accepted on the grounds of "due care".
no
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
- Validation of European Patent in EPO member states: 3 months from the date of European patent grant
Reinstatement of priority is accepted on the grounds of "due care".
3 months
The novelty of the invention will not be lost if the information about the invention is disclosed within 6 months before the filing date or the priority date if the following conditions are met:
- Disclosure due to apparent misuse by the applicant or its predecessor owners
- The invention is disclosed at an official or officially recognized international exhibition
no
20 years
- Grant fee: The applicant shall pay the granted announcement fee within 2 months after receiving the official notification.
- Annuity: The annual fee will be paid year by year starting from the third year (including the first-third year annual fee). Overdue annual fee can be paid within a grace period of 6 months, and a 20% late fee will be paid at the same time.