Patents granted in Canada based on patent applications filed in the last couple of decades have been given terms of exclusivity of twenty years. The twenty year term starts from the date the patent application was filed in Canada, even if it takes several years to be examined and granted by the patent office or if the underlying products take time to be approved by the regulatory agencies.
That has now changed as part of compromises made during the negotiations for CETA, the trade agreement with Europe. Amendments to the Patent Act and implementing regulations came into force in September . . . [more]