Twenty years for the invention and fifteen for the utility model as of the filing date. A minimum ten-year term of duration has been set for the invention and seven years for the utility model as of the date it is granted in case the delay originates from the administration or judiciary power. It may be made by the office or at the request of the interest party within six months as of the dated it is granted. The applicant or holder of the patent may apply for a Certificate of Addition in order to protect the improvements or developments introduced in the object of the invention, even if its devoid of inventive concept. Forfeiture may be declared by office or at the request of interested party in the event it is not used two years from the compulsory license.
Annuities become due in the beginning of the third year of filing date.
When it is not comprised in the state of art. Priority Provided for by the Paris Union Convention or International Organization which produces a national filing effect. The application shall be immediately after being published and granted. Ten years as of the filing date allowed to be extended for three seccessive periods of five years each. The holder of the registration shall apply for the examination of merit, that is, as for the aspects of the novelty and originality.