Yes, a utility model can be converted into an invention during the formality examination period within 90 days from the filing date.
via Paris Convention : 12 months from earliest priority date.
15 years, the initial protection is 5 years, and can be renewed for 2 times after the expiration, with a maximum of 15 years.
no
A 12-month novelty grace period is available if the invention is disclosed by the applicant or its agent in any form of communication within one year of the filing date or priority date, or exhibited at a national/international exhibition. Appropriate evidence must be submitted at the time of application.
IMPI conducts only formality examination of designs.
20 years
2 years
no
10 years
yes. If several designs belong to the same class in the Locarno Classification, a maximum of 20 designs may be included.