10-12 months
Reinstatement of priority on grounds of "due care" accepted.
10 years
yes
The novelty grace period is 6 months before the filing date/priority date.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.
yes. After the applicant pays the corresponding fee, he can apply to change the patent type from invention to utility model.
20 years
The initial protection period is 5 years, renewable 4 times, up to 25 years.
yes. After the applicant pays the corresponding fee, he can apply to change the patent type from invention to utility model.
10-12 months