20 years
- via Paris Convention : 6 months from earliest priority date.
- Hague Agreement route: 6 months from earliest priority date.
- Grant fee: The applicant shall pay the patent announcement fee and the annual fee for the first five-year period within 3 months after receiving the patent granted decision.
- Annuity: pay year by year from the first year of the application date. If the annual fee is overdue, the payment can be postponed within a grace period of 6 months after the expiration of the deadline, and a 50% penalty must be paid at the same time.
no
12-18 months
20 years
yes. The applicant may request to change the patent type from invention to utility model before the invention patent application is granted.
Reinstatement of priority accepted on grounds of "Unintentional".
Novelty of the invention shall not be lost if the inventor, or a third party who directly or indirectly obtains relevant information from the inventor, discloses the invention information within 12 months before the filing date/priority date.
no
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.