Patent Filing in Zambia
File your PCT national phase application in Zambia with the Patents and Companies Registration Agency (PACRA), Zambia through AnalystIP, within 30 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 Zambia?
Enter the earliest priority date of your PCT application (or the international filing date if there is no priority).
Patent filing in Zambia: key facts
Reinstatement of rights under the unintentional criterion; fee: refer to the Office.
None
20 years from the international filing date
Official fees for patent filing in Zambia
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Standard official fees (general)
From the WIPO PCT Applicant's Guide, updated May 28, 2026. Amounts in USD. Your exact fees depend on your application: use the calculator above.
| Fee | Amount | Notes |
|---|---|---|
| Patents: national processing fee | USD 115 | |
| Patents: first annual fee (due within four years from the international filing date) | USD 50 | |
| Patents of addition: national processing fee | USD 115 |
Fee reductions: None
National phase entry requirements
Time limit
30 months from the priority date (Articles 22(1) and 39(1)(a))
Also available through ARIPO (31 months).
Translation
Article 22: description, claims (if amended, both as amended and as filed, with any Article 19 statement), text matter of drawings, abstract. Article 39(1): description, claims, text matter of drawings, abstract; if amended, both as amended by the annexes to the IPER and as filed. Translation in three copies.
Late entry and reinstatement
Reinstatement of rights under the unintentional criterion; fee: refer to the Office. Office accepts effect of RO restoration of priority (Rule 49ter.1) and requests (Rule 49ter.2); criteria and fees: refer to the Office
Agent and power of attorney
Required if the applicant is not resident in Zambia; any attorney or lawyer practising in Zambia may act
Special requirements of the office
- Appointment of an agent if the applicant is not resident in Zambia (3 months from invitation)
- Instrument appointing the agent (authorization or power of attorney) (3 months)
- Translation of the international application in three copies (3 months)
- Name and address of the inventor if not in the request (3 months; Rule 4.17 declaration may satisfy)
- Evidence of entitlement to apply where the applicant is not the inventor (2 months; Rule 4.17 declaration may satisfy)
- Evidence of entitlement to claim priority where the applicant is not the applicant of the earlier application (3 months; Rule 4.17 declaration may satisfy)
- Document evidencing a change of name or applicant after the international filing date not reflected in Form PCT/IB/306 (2 months)
Other information
- ARIPO protection (AP) also available; national protection types: patents, patents of addition, utility models
- Copy of the international application not required in particular circumstances
- Colour drawings accepted on an informal basis
- Annex ZM.I (Fees) and national phase procedure: information not yet available
Source: WIPO PCT Applicant's Guide, national chapter, updated May 28, 2026.
Patent filing in Zambia: questions
What is the deadline for PCT national phase entry in Zambia?
30 months from the earliest priority date.
Can I enter the national phase in Zambia after the deadline?
Reinstatement of rights under the unintentional criterion; fee: refer to the Office. Office accepts effect of RO restoration of priority (Rule 49ter.1) and requests (Rule 49ter.2); criteria and fees: refer to the Office
In which language must the application be filed in Zambia?
English. Article 22: description, claims (if amended, both as amended and as filed, with any Article 19 statement), text matter of drawings, abstract. Article 39(1): description, claims, text matter of drawings, abstract; if amended, both as amended by the annexes to the IPER and as filed. Translation in three copies.
Do I need a local patent attorney in Zambia?
Required if the applicant is not resident in Zambia; any attorney or lawyer practising in Zambia may act
Are there official fee reductions in Zambia?
None
How much does patent filing in Zambia 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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