The novelty grace period is 6 months before the filing date/priority date.
yes
2-3 years
yes
The novelty grace period is 6 months before the filing date/priority date.
yes. After the applicant pays the corresponding fee, he can apply to change the patent type from invention to utility model.
yes. After the applicant pays the corresponding fee, he can apply to change the patent type from invention to utility model.
yes
Reinstatement of priority on grounds of "due care" accepted.
The initial protection period is 5 years, renewable 4 times, up to 25 years.
10-12 months