Usinage Pro-24 Inc. v. Valley Blades Ltd, 2025 FCA 4
Justice Locke; Justice LeBlanc; Justice Pamel - 2025-01-06
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The Court of Appeal addressed the validity of patent claims related to a snow plow blade device and assembly. The appellant contested the Federal Court's earlier ruling that invalidated claims for two patents on grounds of obviousness. The Court reiterated the established four-part test for assessing obviousness, emphasizing the importance of a claim-by-claim examination without hindsight. The analysis considered the relevant prior art and the inventive concept of the disputed claims. The Federal Court had afforded greater weight to the respondent's expert opinions while minimizing those of the appellant's witness due to inconsistency and lack of acknowledgment of weaknesses in their position. Ultimately, the appeal was dismissed, upholding the finding that the differences between the inventive concept and existing technology would have been obvious to a skilled person in the field.
Decision relates to:
- A-25-24 - USINAGE PRO-24 INC. c. VALLEY BLADES LTD. which is an appeal from 2023 FC 1749 in T-416-19