Instructions for Maintenance Fee Calculation Sheet
The maintenance fee calculation sheet guides the applicant in providing the
necessary maintenance fee information. This will assist the Patent Office to correctly
apply the payments and to help identify any errors. It will also provide a mechanism for
the authorization of credit card or deposit account payments.
It is strongly recommended that the applicant complete the fee calculation sheet by entering
the required data and amounts in the appropriate areas, and to include this sheet
when submitting maintenance fee payments.
Information about the applicable maintenance fee payable can be obtained by consulting
Schedule II, Tariff of Fees, Part VI, Maintenance
Fees of the Patent Rules.
Calculation of the prescribed maintenance fee
Listing number (if applicable)
Indicate the number that your company is assigning to represent your files for tracking
purposes. This information will be used by the finance section in any future communication
with you for validation purposes.
Name and address of the person and company paying the fee
Please provide the name of the person paying the fee. For patent applications, the
maintenance fee can only be paid by the authorized correspondent, as defined in
section 2 of the Patent Rules.
Patent application or patent number
Indicate the patent application number or issued patent number for which a maintenance fee is
being paid.
Reference number
Indicate the applicant's or patentee's file reference number for which a maintenance
fee is being paid.
Due Date Enter the due date of the maintenance fee
being paid.
Maintenance fee
Enter the amount of the maintenance fee
being paid. Please note that the amount of the maintenance fee will vary depending on
the entity size as defined in section 3.01 of the Patent Rules, and on whether, in the case
of an issued patent, the payment occurs on or before the respective anniversary of
the filing date, or within the prescribed 12-month period of grace.
Small entity Indicate whether the applicant or patentee
claims status as a small entity. Note: In addition to claiming small entity status,
the applicant or patentee must file a signed small entity declaration
compliant with section 3.01(1) of the Patent Rules.
Reinstatement fee Enter the amount of the reinstatement fee.
If the patent application for which you are submitting a maintenance fee is currently
abandoned for non-payment of a maintenance fee, and you are within the prescribed
12-month reinstatement period, it is possible to reinstate your patent application
by making a request for the reinstatement of the patent application, by paying
the maintenance fee that should have been paid, and by submitting a reinstatement
fee (subsection 73(3) of the Patent Act).
Total The total of the amounts indicated in the
maintenance fee and reinstatement fee columns.
Page total The total of the amounts indicated in the
total column.
Method of payment To help the Patent Office identify the method
of payment of the prescribed fees, please check the applicable box(es).
When paying by credit card, please provide the credit card number and the expiry date,
unless the authorization form for payments made by credit card has been completed
and submitted to CIPO's finance section.
Authorization to charge deposit account or credit card account
The Patent Office will not charge fees to deposit accounts or credit card accounts
unless the deposit account or credit card account authorization is signed and the
deposit account or credit card number is indicated.
Authorization to charge a deficiency Please indicate if you are authorizing CIPO to debit your deposit account or credit card the additional sum of money needed to effect payment of the appropriate fees where there is a clear intent to pay a fee.
If you require assistance in completing the maintenance fee calculation sheet, please contact us.
NOTE: Please refer to the Patent Act and Patent Rules for further information concerning
the official requirements associated with the preceding guidelines. In the event of any inconsistency between these guidelines
and the applicable legislation, the legislation must be followed.
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