Patent Filing in Guinea-Bissau
A PCT application reaches Guinea-Bissau through OAPI, within 30 months from the priority date. AnalystIP handles the regional phase and the validation in Guinea-Bissau, with every requirement below taken from the WIPO PCT Applicant's Guide.
When is your national phase deadline in Guinea-Bissau?
Enter the earliest priority date of your PCT application (or the international filing date if there is no priority).
Patent filing in Guinea-Bissau: key facts
Reinstatement of rights permitted (Rule 49.6); fee: refer to the Office
None
20 years from the international filing date
Official fees for patent filing in Guinea-Bissau
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Standard official fees (general)
From the WIPO PCT Applicant's Guide (OAPI), updated September 25, 2026. Amounts in XAF. Your exact fees depend on your application: use the calculator above.
| Fee | Amount | Notes |
|---|---|---|
| Patents: Filing fee | XAF 225,000 | Amount from Annex OA.I (not stated in summary); due within the Article 22/39(1) time limit |
| Patents: Examination fee | XAF 250,000 | |
| Patents: Fee for priority claims, per priority | XAF 75,000 | |
| Patents: Publication fee | XAF 365,000 | Amount from Annex OA.I (not stated in summary) |
| Patents: Claim fee for each claim in excess of 10 | XAF 65,000 | |
| Patents: Annual fees, 2nd to 3rd year, per year | XAF 270,000 | Calculated from the international filing date |
| Utility models: Filing fee | XAF 20,000 | |
| Utility models: Examination fee | XAF 25,000 | |
| Utility models: Fee for priority claims, per priority | XAF 25,000 | |
| Utility models: Publication fee | XAF 30,000 | Amount from Annex OA.I |
| Utility models: Claim fee for each claim in excess of 10 | XAF 45,000 | |
| Utility models: Annual fees, 2nd year | XAF 20,000 | |
| Utility models: Annual fees, 3rd year | XAF 20,000 | |
| Annex OA.I: Late payment supplement for annual fees | XAF 70,000 | |
| Annex OA.I: Amendment or correction of substance (patents) | XAF 40,000 | |
| Annex OA.I: Amendment or correction of substance (utility models) | XAF 18,000 | |
| Annex OA.I: Appeal | XAF 960,000 | |
| Annex OA.I: Conversion of a patent into a utility model | XAF 50,000 |
Fee reductions: None
National phase entry requirements
These are the requirements of OAPI, through which a PCT application reaches Guinea-Bissau.
Time limit
30 months from the priority date (Article 22(1) and Article 39(1)(a); same for Chapter I and II)
No national route: protection is obtained through OAPI.
Translation
Under Article 22: description, claims (only as amended, if amended, together with any Article 19 statement), text matter of drawings, abstract. Under Article 39(1): description, claims, text matter of drawings, abstract; amended parts only as amended by the annexes to the IPER. Due within the Article 22 or 39(1) time limit.
Late entry and reinstatement
Reinstatement of rights permitted (Rule 49.6); fee: refer to the Office
Agent and power of attorney
Required if the applicant does not reside in an OAPI Member State; any industrial property attorney or agent registered to practice before OAPI may act
Special requirements of the office
- Name and address of the inventor, if not in the request (may be satisfied by a Rule 4.17 declaration)
- Appointment of an agent if the applicant is not resident in an OAPI Member State
- Translation of the priority document into English or French, where the validity of the priority claim is relevant to patentability
- Instrument of assignment of the priority application where applicants are not identical (may be satisfied by a Rule 4.17 declaration)
Other information
- The list of special requirements is still subject to confirmation by the Office
- Office accepts restoration of priority by receiving Office and requests for restoration (refer to the Office)
- Copy of the international application required only if OAPI has not received it under Article 20
- Fees payable in CFA francs (XAF)
- Annual fees due on each anniversary of the international filing date; surcharge within six months grace
- OAPI does not grant both a patent and a utility model for the same invention
Source: WIPO PCT Applicant's Guide, national chapter, updated September 25, 2026.
Patent filing in Guinea-Bissau: questions
What is the deadline for PCT national phase entry in Guinea-Bissau?
30 months from the earliest priority date.
Can I enter the national phase in Guinea-Bissau after the deadline?
Reinstatement of rights permitted (Rule 49.6); fee: refer to the Office
Can a PCT application enter the national phase directly in Guinea-Bissau?
No. The national route is closed: a PCT application covers Guinea-Bissau only through OAPI. The patent granted by the regional office then takes effect in Guinea-Bissau.
In which language must the application be filed in Guinea-Bissau?
English or French. Under Article 22: description, claims (only as amended, if amended, together with any Article 19 statement), text matter of drawings, abstract. Under Article 39(1): description, claims, text matter of drawings, abstract; amended parts only as amended by the annexes to the IPER. Due within the Article 22 or 39(1) time limit.
Do I need a local patent attorney in Guinea-Bissau?
Required if the applicant does not reside in an OAPI Member State; any industrial property attorney or agent registered to practice before OAPI may act
Are there official fee reductions in Guinea-Bissau?
None
How much does patent filing in Guinea-Bissau 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.
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