20 years
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.
Filing Language: Vietnamese Necessary documents:
- Exterior Design Picture (Six Views)
- A Brief Description
Attachments (if any):
- Power of Attorney
- Certified Priority Document
- Declaration of Ownership/Certification of Employment/Assignment of priority
- Assignment for Patent Right Transfer
- Description of patent IPC classification number
no
1 year
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.
- Grant fee: The patent applicant should pay the granted fee within 3 months from the date of receiving the patent granted decision
- Annuity: The annual fee for the first year is paid at the same time as the granted fee. Subsequent annual fees should be paid within 6 months before the due date. Overdue annual fees can be paid within a 6-month grace period, and a 10% late fee will be paid at the same time
5-6 years
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