yes. After the substantive examination of the invention patent application, the patent applicant can submit a request and pay the prescribed conversion request fee to convert the patent type from invention to utility model. If the invention patent does not meet the conditions for granting a patent, a request for conversion may be filed within three months from the date of issuance of the rejection document of the invention patent.
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.
yes. Please consult IPVN for the standards and charges for restoring the priority.
- via Paris Convention : 6 months from earliest priority date
- Hague Agreement route: 6 months from earliest priority date
20 years
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
no
5-6 years
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.