Patent applications are examined as to compliance with formal requirements. A national patent application will be subjected to substantive examination. An ARIPO patent is examined by the ARIPO Patent Office, prior to entering Ghana.
Duration & Maintenance
A national patent endures for a twenty-year period.
An ARIPO patent endures for a twenty-year period.
Annual renewal fees must be paid in advance and is payable from one year after the date of filing the patent application. There is provided for a six-month grace period within which a late annual renewal fee may be paid.
A patent must be worked within three years from the date of grant of the patent or four years from the date of filing, whichever expires last.