Right to Certificates of Addition. (1) The patentee or entitled persons shall, for the entire duration of the patent, have the right to make changes, improvements or additions to the invention, complying, for the filing of the application, with the formalities laid down in Articles 14, 15, 16 and 17 of this Annex.
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Samples: Bangui Agreement, ictpolicyafrica.org, www.hallelaw.com