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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