Canada amends its patent law the 30 October 2019 and PCT applications filed on that day and later have to be filed within the 30-month time limit from the priority date. To be able to file late, in case of failure to meet the 30-month time limit, evidence showing that the failure was “unintentional” is required. PCT applications filed before the amendment of the law may still be filed within 42 months with an additional fee.