Patent Filing in Liberia
File your PCT national phase application in Liberia with the Liberia Intellectual Property Office (LIPO) 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 Liberia?
Enter the earliest priority date of your PCT application (or the international filing date if there is no priority).
Patent filing in Liberia: key facts
Reinstatement of rights under the due care criterion; fee: refer to the Office.
None
20 years from the international filing date
Official fees for patent filing in Liberia
Filing in several countries? Compare fees with other countries →
Standard official fees (general)
From the WIPO PCT Applicant's Guide, updated November 13, 2025. Amounts in USD. Your exact fees depend on your application: use the calculator above.
| Fee | Amount | Notes |
|---|---|---|
| Filing fee | USD 400 |
Fee reductions: None
National phase entry requirements
Time limit
Chapter I (Article 22(1)): 30 months from the priority date; Chapter II (Article 39(1)(b)): 31 months from the priority date
Also available through ARIPO (31 months).
Translation
Article 22: description, claims (as amended, with any Article 19 statement, if amended), text matter of drawings, abstract. Article 39(1): description, claims, text matter of drawings, abstract; if amended, only as amended by the annexes to the IPER.
Late entry and reinstatement
Reinstatement of rights under the due care criterion; fee: refer to the Office. Request in writing within two months after removal of the cause, and no later than six months after expiry of the time limit. Restoration of priority under both unintentional and due care criteria
Agent and power of attorney
Required if the applicant is not resident in Liberia; any attorney certified by LIPO and registered by the Legal Bar Association, or any IP agent certified by LIPO. Power of attorney may be filed within two months after the time limit
Special requirements of the office
- Appointment of an agent if the applicant is not resident in Liberia
- Oath or declaration of the inventor (Rule 4.17 declaration may satisfy)
Other information
- ARIPO protection (AP) also available
- Copy of the international application not required in particular circumstances
- Annex LR.I: publication fee 150 USD; grant fee 10 USD; late annual fee surcharge 30 USD; conversion patent/utility model 50 USD; annual fees 40 to 200 USD
- Examination must be requested and fee paid, otherwise the application lapses
- Annual fees due from one year after the international filing date; six-month grace period with surcharge
- Payment in USD by bank draft to the Patent and Trade Mark account at the Central Bank of Liberia, Monrovia
- Forms: Annex LR.II (power of attorney), Annex LR.III (oath by inventor)
Source: WIPO PCT Applicant's Guide, national chapter, updated November 13, 2025.
Patent filing in Liberia: questions
What is the deadline for PCT national phase entry in Liberia?
30 months from the earliest priority date under Chapter I, and 31 months when a demand for international preliminary examination (Chapter II) was filed.
Can I enter the national phase in Liberia after the deadline?
Reinstatement of rights under the due care criterion; fee: refer to the Office. Request in writing within two months after removal of the cause, and no later than six months after expiry of the time limit. Restoration of priority under both unintentional and due care criteria
In which language must the application be filed in Liberia?
English. Article 22: description, claims (as amended, with any Article 19 statement, if amended), text matter of drawings, abstract. Article 39(1): description, claims, text matter of drawings, abstract; if amended, only as amended by the annexes to the IPER.
Do I need a local patent attorney in Liberia?
Required if the applicant is not resident in Liberia; any attorney certified by LIPO and registered by the Legal Bar Association, or any IP agent certified by LIPO. Power of attorney may be filed within two months after the time limit
Are there official fee reductions in Liberia?
None
How much does patent filing in Liberia 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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