no
no
DIP only conducts formality examination for utility models, and the documents can be authorized if they meet the formality examination standards. If litigation or evaluation of the stability of utility model Claim is required, the applicant may submit a request for substantive examination within one year after the granted announcement.
no
Reinstatement of priority on grounds of "due care" accepted.
The initial period of protection is 6 years, which can be renewed twice, up to a maximum of 10 years.
DIP conducts substantive examination of design patent applications, and only examines whether the conditions of novelty and industrial applicability are met.
8 months
no
yes. Patent applicants can change the patent type from invention to petty patent (utility model) before the patent application is granted. The converted patent application has the filing date of the original patent application.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 30 months from the earliest priority date.