20 years
yes
Restoration of priority will not be accepted.
A 12-month novelty grace period is available if the invention is disclosed by the applicant or its agent in any form of communication within one year of the filing date or priority date, or exhibited at a national/international exhibition. Appropriate evidence must be submitted at the time of application.
Yes, a utility model can be converted into an invention during the formality examination period within 90 days from the filing date.
4-5 years
Yes, during the formality examination period within 90 days from the filing date, the type of invention can be converted into a utility model at the request of the applicant by paying the corresponding fee.
via Paris Convention : 12 months from earliest priority date.
no
no
- Licensing Fee: None.
- Annuity: The annual fee renewal fee must be paid within 6 months before the application date. If the annual fee is overdue, the payment can be postponed within a grace period of 6 months, but a late fee will be charged.