http://strategis.ic.gc.ca/sc_mrksv/...ee_part6-e.html
Tariff of Fees - Patents Part Vl - Maintenance Fees

For maintaining an application filed on or after October 1, 1989 in effect, under subsections 99 and 154 of these Rules Large entity (Small entity 50% of large entity)
Yr 2-4 - $100
Yr 5-9 - $200
Yr 10-14 - $250
Yr 15-19 - $450

31. For maintaining the rights accorded by a patent issued on the basis of an application filed on or after October 1, 1989, under sections 100, 101, 155 and 156 of these Rules Large entity (Small entity 50% of large entity)

Yr 2-4 - $100
Yr 5-9 - $200
Yr 10-14 - $250
Yr 15-19 - $450


Large entity including an additional fee for late payment (Small entity 50% of the applicable maintenance fee for a large entity plus $200 for the late payment)

Yr 2-4 - $300
Yr 5-9 - $400
Yr 10-14 - $450
Yr 15-19 - $650