no
yes. Please consult IPVN for the standards and charges for restoring the priority.
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.
no
5-6 years
no
- via Paris Convention : 6 months from earliest priority date
- Hague Agreement route: 6 months from earliest priority date
1 year
20 years
IPVN conducts formality examination and substantive examination of invention patents. IPVN completes the formality examination within 1 month from the filing date. For the invention patent application through the via Paris Convention , the patent disclosure will be completed 19 months from the filing date/priority date. If the PCT enters the Vietnamese country, the invention patent will be filed in the country. Patent publication within 2 months after the application enters the Vietnamese national phase. A patent applicant/anyone needs to file a substantive request no later than 42 months from the filing date. The application is published within 2 months after the notification of approval and enters the opposition period. The opposition period starts from the publication date and ends on the granted date. Anyone can raise an opposition to the published patent within the opposition period.
10 years