yes. If several designs belong to the same class in the Locarno Classification, a maximum of 20 designs may be included.
4-6 months
Yes, a utility model can be converted into an invention during the formality examination period within 90 days from the filing date.
Restoration of priority will not be accepted.
via Paris Convention : 12 months from earliest priority date.
10 years
yes
yes
2 years
yes. If several designs belong to the same class in the Locarno Classification, a maximum of 20 designs may be included.
20 years