20 years
Yes, a utility model can be converted into an invention during the formality examination period within 90 days from the filing date.
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.
10 years
no
- Licensing Fee: None.
- Annuity: The annual fee is paid year by year in the first year from the application date. The annual fee before the granted should be paid after the granted, and the subsequent annual fee can be paid every three years.
via Paris Convention : 12 months from earliest priority date.
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.
15 years, the initial protection is 5 years, and can be renewed for 2 times after the expiration, with a maximum of 15 years.
IMPI conducts only formality examination of designs.