Patent Filing in Vietnam
File your PCT national phase application in Vietnam with the Intellectual Property Office of Viet Nam (IP Viet Nam) through AnalystIP, within 31 months from the priority date. Every requirement below is taken from the WIPO PCT Applicant's Guide and kept up to date by our team.
When is your national phase deadline in Vietnam?
Enter the earliest priority date of your PCT application (or the international filing date if there is no priority).
Patent filing in Vietnam: key facts
Reinstatement of rights permitted (Rule 49.6); criteria and fee: check with the Office
None
Request examination within 42 months from the priority date.
20 years from the international filing date
Due after grant.
Utility model protection is not available.
Official fees for patent filing in Vietnam
Filing in several countries? Compare fees with other countries →
Standard official fees (general)
From the WIPO PCT Applicant's Guide, updated May 28, 2026. Amounts in VND. Your exact fees depend on your application: use the calculator above.
| Fee | Amount | Notes |
|---|---|---|
| Filing fee | VND 150,000 | WIPO notes a 50% reduction from 1 July 2021 to 30 June 2022 |
| Fee for priority claims (per priority) | VND 600,000 | |
| Fee for requesting formality and substantive examination | VND 900,000 | |
| Additional fee for each sheet in excess of six | VND 40,000 | |
| Search fee | VND 600,000 | |
| Fee for publication | VND 120,000 | |
| Additional fee for each drawing in excess of one | VND 60,000 | |
| Additional fee for each sheet in excess of six | VND 10,000 | Listed twice in WIPO table with different amounts |
Fee reductions: None
National phase entry requirements
Time limit
31 months from the priority date (Article 22(3) and Article 39(1)(b); same for Chapter I and II)
Translation
Under Article 22: description, claims (if amended, both as originally filed and as amended, plus any Article 19 statement), text matter of drawings, abstract. Under Article 39(1): description, claims, text matter of drawings, abstract; if amended, both as originally filed and as amended. Due within the Article 22 or 39(1) time limit.
Late entry and reinstatement
Reinstatement of rights permitted (Rule 49.6); criteria and fee: check with the Office
Agent and power of attorney
Required if the first-named applicant is not resident in Viet Nam (no habitual residence, headquarters or representative office in Viet Nam); any attorney with the right to practice before the Office may act
Special requirements of the office
- Name and address of the inventor, if not given in the request (may be satisfied by a Rule 4.17 declaration)
- Instrument of assignment where the applicant is not the inventor (may be satisfied by a Rule 4.17 declaration)
- Instrument of assignment of the priority rights where applicants are not identical (may be satisfied by a Rule 4.17 declaration)
- Appointment of an agent if the applicant is not resident in Viet Nam
- Translation of the international application furnished in two copies
- Where applicable, nucleotide and/or amino acid sequence listing in computer-readable form
Other information
- Office accepts restoration of priority by receiving Office and requests for restoration (check criteria/fees with the Office)
- Copy of the international application not required in particular circumstances
- Colour or greyscale drawings/photographs not excluded; check with the Office
- Examination request within 42 months of priority date (invention) or 36 months (utility solution)
- Utility solution term 10 years; choice indicated when performing Article 22/39 acts
- Annex VN.I lists different fee names/amounts (e.g. formality examination 180,000 VND, substantive examination request 720,000 VND) and annual fees
Source: WIPO PCT Applicant's Guide, national chapter, updated May 28, 2026.
What you need to file in Vietnam
An assignment document is required.
Filing requirements in detail
| Extension of the filing deadline | No |
|---|---|
| Late translation allowed | No |
| Article 19 amendments | Possible |
| Examination request at entry | Yes |
| Assignment | Yes |
Patent filing in Vietnam: questions
What is the deadline for PCT national phase entry in Vietnam?
31 months from the earliest priority date.
Can I enter the national phase in Vietnam after the deadline?
Reinstatement of rights permitted (Rule 49.6); criteria and fee: check with the Office
In which language must the application be filed in Vietnam?
Vietnamese. Under Article 22: description, claims (if amended, both as originally filed and as amended, plus any Article 19 statement), text matter of drawings, abstract. Under Article 39(1): description, claims, text matter of drawings, abstract; if amended, both as originally filed and as amended. Due within the Article 22 or 39(1) time limit.
Do I need a local patent attorney in Vietnam?
Required if the first-named applicant is not resident in Viet Nam (no habitual residence, headquarters or representative office in Viet Nam); any attorney with the right to practice before the Office may act
Are there official fee reductions in Vietnam?
None
How does examination work in Vietnam?
Request examination within 42 months from the priority date.
Is utility model protection available in Vietnam?
Utility model protection is not available.
How much does patent filing in Vietnam cost?
The cost is the official fees of the patent office plus professional fees. The standard official fees from WIPO are listed on this page; the calculator works out the exact official fees for your application (pages, claims, applicant type) after a quick email check, and our team sends a full quote on request.
File in Vietnam with AnalystIP
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