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.
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.
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.
20 years
no
no
10 years
yes. Multiple designs may be included in one design application.
- via Paris Convention : 6 months from earliest priority date
- Hague Agreement route: 6 months from earliest priority date
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