Responding to the patent term adjustment obligation under the Canada-United States-Mexico Agreement (CUSMA) and to “streamline the patent examination process”, the Canadian government has registered major changes to the Canadian Patent Rules. The amendments will come into effect on October 3, 2022, and include notable modifications to the patent application examination process, such as establishing excess claim fees for over 20 claims, fees for continuing examination beyond three office actions, and offering conditional notice of allowance.

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