What are patent maintenance fees, and when do they need to be paid?

Many countries require the payment of periodic maintenance fees to maintain the validity of your patent applications or patent registrations. In Canada, maintenance fees are payable annually beginning on the second anniversary of the Canadian filing date. These fees themselves, payable to the patent office, range from $50 for a small entity for the first few years upwards through several hundred dollars towards the end of a patent term. We can assist you with the management of ongoing payment of maintenance fees in Canada and abroad.

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