Software and Fintech Patents Under CIPO’s March 2026 Practice Notice

May 27, 2026

Part 4 of a 4-part series on subject matter eligibility after CIPO’s March 2026 Practice Notice. What CIPO Says Computer-implemented Example 2 in the March 2026 Practice Notice addresses a method of selecting an investment portfolio based on return and risk criteria.…

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Quantum Computing Inventions and CIPO’s Physicality Requirement

May 07, 2026

Part 3 of a 4-part series on subject matter eligibility after CIPO’s March 2026 Practice Notice What CIPO Says The March 2026 Practice Notice does not address quantum computing specifically. Quantum computing inventions are therefore assessed under the same framework…

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AI and Machine Learning Patent Applications Under CIPO’s Physicality Standard

April 29, 2026

Part 2 of a 4-part series on subject matter eligibility after CIPO’s March 2026 Practice Notice. What CIPO Says Computer-implemented Example 3 in the March 2026 Practice Notice describes a system that uses a layered neural network, trained on historical data, to generate…

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CIPO’s March 2026 Practice Notice: What Changed, What It Means, and How It Affects Prosecution

April 22, 2026

Part 1 of a 4-part series on subject matter eligibility after CIPO’s March 2026 Practice Notice On March 24, 2026, the Canadian Intellectual Property Office released a new Practice Notice on patentable subject matter, replacing PN2020-04 and responding to recent Federal Court of Appeal decisions. For…

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