Article 3

1. [Applications]
a) The provisions of this Treaty and the Regulations shall apply to national and regional applications for patents for invention and for patents of addition, which are filed with or for the Office of a Contracting Party, and which are:
(i) types of applications permitted to be filed as international applications under the Patent Cooperation Treaty;
(ii) divisional applications of the types of applications referred to in item (i), for patents for invention or for patents of addition, as referred to in Article 4G(1) or (2) of the Paris Convention.
b) Subject to the provisions of the Patent Cooperation Treaty, the provisions of this Treaty and the Regulations shall apply to international applications, for patents for invention and for patents of addition, under the Patent Cooperation Treaty:
(i) in respect of the time limits applicable under Articles 22 and 39(1) of the Patent Cooperation Treaty in the Office of a Contracting Party;
(ii) in respect of any procedure commenced on or after the date on which processing or examination of the international application may start under Article 23 or 40 of that Treaty.

2. [Patents] The provisions of this Treaty and the Regulations shall apply to national and regional patents for invention, and to national and regional patents of addition, which have been granted with effect for a Contracting Party.