Patents Act, 1970
138. Supplementary provisions as to convention applications
(1) Where a convention application is made in accordance with the provisions of this chapter, the applicant shall furnish, in addition to the complete specification, copies of the specifications or corresponding documents filed or deposited by the applicant in the patent office of the convention country in which the basic application was made, certified by the official chief or head of the patent office of the convention country, or otherwise verified to the satisfaction of the Controller, along with the application or within three months thereafter, or within such further period as the Controller may on good cause allow.
(2) If any such specification or other document is in a foreign language, a translation into English of the specification or document, verified by affidavit or otherwise to the satisfaction of the Controller, shall be annexed to the specification or document.
(3) For the purposes of this Act, the date on which an application was made in a convention country is such date as the Controller is satisfied, by certificate of the official chief or head of the patent office of the convention country or otherwise is the date on which the application was made in that convention country.