African Regional Intellectual Property Organization
ARIPO promotes the development of intellectual property laws, and matters related thereto, appropriate to the needs of its members and of ARIPO as a whole.

ARIPO contracting states include:
Botswana, Gambia, Ghana, Kenya, Lesotho, Liberia, Malawi, Mozambique, Namibia, Rwanda, Sierra Leone, Somalia, Sudan, Swaziland, Tanzania, Uganda, Zambia, Zimbabwe.

ARIPO is a member of the International Convention and of the PCT. The deadline for PCT Regional Phase Entry is 31 months from the priority date. All of the ARIPO states are also members of the PCT and may be designated when entering the ARIPO Regional Phase of a PCT International Application.

ARIPO requires the applicant to choose the specific member states where protection is required.
(Unlike OAPI where a single application automatically covers all member states)


Patent applications to be delivered or mailed to the ARIPO Office in Harare, Zimbabwe, or via the Industrial Property Office of the contracting state.

Application Requirements
Patent for Invention
Full name, street address and description of the inventor
Power of Attorney
Specification, claims and abstract in English
Formal drawings
Assignment of Priority Rights
Priority document with a verified English or French translation thereof
An applicant must state the contracting states in whose territory protection is sought.

Regional Phase PCT
Full name, street address and description of the inventor
Power of Attorney
Specification, claims and abstract in English / French
Formal drawings
Assignment of Priority Rights
Copy of International Publication
Copy of International Search Report
Copy of International Preliminary Report on Patentability
*English translation required

Patent Requirements
New and unique

Invention Requirements
Susceptible to industrial application.
Involve an inventive step.

Protection Duration
In each designated ARIPO State: 20 years from the filing date.

Patent Renewals
Annually from the 1st anniversary of the filing date.


The patent owner (licensor) grants another party (licensee) permission or authorization to use the patented invention. This is an agreement between the two parties and may require the licensee to pay the patent owner (licensor) royalties.



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