yes. If several designs belong to the same class in the Locarno Classification, a maximum of 20 designs may be included.
no
yes
10 years
via Paris Convention : 12 months from earliest priority date.
Yes, during the formality examination period within 90 days from the filing date, the type of invention can be converted into a utility model at the request of the applicant by paying the corresponding fee.
no
yes
no
Restoration of priority will not be accepted.
2 years