• Patent fees

Fees associated with filing patent applications in OAPI, as well as other patent fees, are available in the fee calculator.

• Term for filing patent application in OAPI

The term for filing a patent application in OAPI claiming priority is 12 months from the priority date. The restoration of this term, along with a patent application, can be filed within 2 years after the expiration of the 12-month deadline.

• Minimum filing requirements in OAPI

To obtain the date of filing, a patent application in OAPI must contain:
 - request for the grant of a patent;
 - applicant's and inventor’s details;
 - specification, abstract and drawings;
 - proof of payment of the prescribed fee.

• Language of the OAPI patent application

Patent application in OAPI can be filed either in French or English. Late filing of the translation is not possible.

• Priority document

The priority document in English or French must be submitted to the patent office within six months from the date of filing. Failure to do so within the deadline requires filing a restoration application.

• Power of Attorney requirements

Legalization of the POA form is not required. A scanned copy of a simply signed Power of Attorney, referencing the name and capacity of the executor, as well as the date and place of execution, must be submitted as soon as possible, and no later than 3 months from OAPI’s official action requesting the POA.

• Substantive examination request

Any application for a patent shall undergo examination to ensure unity of invention and patentability per se. No request for such examination is required, examination is conducted automatically.

• Novelty grace period

The novelty of an invention shall not be denied if, during the 12 months prior to the filing date, the invention has been disclosed at an official or officially recognized international exhibition, or if such a disclosure was made in bad faith and obvious violation committed against the applicant or predecessor in title by any third party.

• Grant and patent maintenance fees

Provided that grant and publication fees are paid, the validity term of the patents is 20 years from the filing date. The annuities must be paid due each year on the anniversary of the filing date. The term can be extended for six additional months by paying an extra fee. If an annuity is not paid within this grace period, the applicant can only regain rights to the patent by filing a restoration application. This application must be submitted within 2 years from the initial annuity deadline.

• Representation by a patent attorney

For foreigners not residing in any of the OAPI member states, the patent application and maintenance must be filed through an attorney licensed by OAPI.

• Notes

1. Online Search Database for OAPI Patents and Utility Models.
2.Protection of utility models is possible in OAPI. The applicant may apply for the conversion of a patent application into a utility model application, and vice versa, at any time prior to grant.
3. Amendments to the claims, description, drawings, and abstract are possible prior to grant, provided they do not exceed the disclosure of the invention.

Brief summary is based on the information provided by Nico Halle & Co. Law Firm on 20.03.2025
Please contact us if the above information is not in conformity with the OAPI IP Laws