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Author name: Delara Emtyazi (Student-at-Law)

Federal Court Makes Rare Holding that Patent Claims are Invalid for Ambiguity

IP Decisions /

Co-authored by Emily Papsin The Federal Court recently held (per McHaffie J.) that the impugned claims of two related patents for an additive manufacturing process (3D printing) were invalid and not infringed because an essential element (“depletion layer”) was ambiguous. Tekna Plasma Systems Inc. v. AP&C Advanced Powders & Coatings Inc., 2024 FC 871 Background […]

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Red Maple Manufacturing Inc. v. Red Maple Bio Inc. 2024 FC 817

IP Decisions /

On May 29, 2024, the Federal Court (Whyte Nowak J.) granted Red Maple Manufacturing Inc.’s (the “Applicant”) appeal pursuant to subsection 56(1) of the Trademarks Act. The Applicant appealed a decision from the Trademarks Opposition Board (“the Board”) ordering the removal of certain goods from the Applicant’s Trademark Registration. Red Maple Manufacturing Inc. v. Red

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