4-12 months
The novelty grace period is 12 months before the filing date/priority date.
yes. The applicant may request that the patent application be changed from an invention to a utility model before the publication of the patent application but no later than the grant decision.
4-12 months
The initial protection is 5 years, which can be renewed every 5 years, up to a maximum of 25 years.
no
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
The novelty grace period is 6 months before the filing date/priority date.
no
1-3 years
12-18 months