A request under section 64(1) of the Act for an examination of a patent application and the complete specification relating to the application must be made as follows:
for a divisional application, within 5 years of the date that the complete specification for the divisional application is filed or treated as having been filed, whichever is the earlier; and
for a patent application, or a complete specification relating to the application, that has been post-dated by the Commissioner, within 5 years of the date that the complete specification is treated as having been filed; and
for any other patent application, within 5 years of the date that the complete specification is filed.