PATENT ANNUITY · USD

Canada Invention patent annuity fees

Annual fees, late-payment fees and additional charges are displayed separately for clarity.

Patent annuity details

Converted amounts use the latest synchronized approved exchange rates.

Patent annuity fees

Annual maintenance fees are maintained independently by country and patent type.

Year / item	Required / optional	Large entity			Small entity			Notes
Year / item	Required / optional	Official fee (original)	Service fee (USD)	Total	Official fee (original)	Service fee (USD)	Total	Notes
Year 3 · Pre-grant maintenance fee	Required	134 CAD	234 USD	329 USD	60 CAD	234 USD	277 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 4 · Pre-grant maintenance fee	Required	134 CAD	234 USD	329 USD	60 CAD	234 USD	277 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 5 · Pre-grant maintenance fee	Required	134 CAD	234 USD	329 USD	60 CAD	234 USD	277 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 6 · Pre-grant maintenance fee	Required	297 CAD	234 USD	444 USD	107 CAD	234 USD	310 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 7 · Pre-grant maintenance fee	Required	297 CAD	234 USD	444 USD	107 CAD	234 USD	310 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 8 · Pre-grant maintenance fee	Required	297 CAD	234 USD	444 USD	107 CAD	234 USD	310 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 9 · Pre-grant maintenance fee	Required	297 CAD	234 USD	444 USD	107 CAD	234 USD	310 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 10 · Pre-grant maintenance fee	Required	297 CAD	234 USD	444 USD	107 CAD	234 USD	310 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 11 · Pre-grant maintenance fee	Required	372 CAD	234 USD	498 USD	134 CAD	234 USD	329 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 12 · Pre-grant maintenance fee	Required	372 CAD	234 USD	498 USD	134 CAD	234 USD	329 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 13 · Pre-grant maintenance fee	Required	372 CAD	234 USD	498 USD	134 CAD	234 USD	329 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 14 · Pre-grant maintenance fee	Required	372 CAD	234 USD	498 USD	134 CAD	234 USD	329 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 15 · Pre-grant maintenance fee	Required	372 CAD	234 USD	498 USD	134 CAD	234 USD	329 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 16 · Pre-grant maintenance fee	Required	669 CAD	234 USD	708 USD	271 CAD	234 USD	426 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 17 · Pre-grant maintenance fee	Required	669 CAD	234 USD	708 USD	271 CAD	234 USD	426 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 18 · Pre-grant maintenance fee	Required	669 CAD	234 USD	708 USD	271 CAD	234 USD	426 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 19 · Pre-grant maintenance fee	Required	669 CAD	234 USD	708 USD	271 CAD	234 USD	426 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.
Year 20 · Pre-grant maintenance fee	Required	669 CAD	234 USD	708 USD	271 CAD	234 USD	426 USD	? Large entityStandard fee（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations. Small entitySmall entity（2026-01-01 official fee schedule effective from ）, The pre-grant maintenance fee and post-grant annuity are the same amount. Canadian patent annuities are calculated by anniversary. This table has been formatted to align with other countries, regions and organizations.

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