If the applicant, inventor or assignor discloses the relevant invention information at an officially recognized exhibition within 6 months before the filing date, it can enjoy a 6-month novelty grace period.
20 years
no
If the applicant, inventor or assignor discloses the relevant invention information at an officially recognized exhibition within 6 months before the filing date, it can enjoy a 6-month novelty grace period.
If the applicant, inventor or assignor discloses the relevant invention information at an officially recognized exhibition within 6 months before the filing date, it can enjoy a 6-month novelty grace period.
- via Paris Convention : 12 months from earliest priority date.
- via Nationalization of PCT : 31 months from earliest priority date.
IPVN conducts formality examination and substantive examination of utility model patents. IPVN has no restrictions on the fields of utility model patent applications. Utility models can be applied for in all fields covered by inventions, but all utility models will undergo substantive examination. A patent applicant/anyone needs to file a substantive request no later than 36 months from the filing date.
yes. Please consult IPVN for the standards and charges for restoring the priority.
no
Vietnam State Intellectual Property Office
English: Intellectual Property Office of Viet Nam, Abbreviation: IPVN
Website: Trang chủ - CỤC SỞ HỮU TRÍ TUỆ (ipvietnam.gov.vn)
Vietnam Utility Model Patent Search: IP Viet Nam
10 years