Last blog added on Saturday, June 8th, 2024

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Recent Posts

Below is a preview of the five most recent posts from the blog Sufficient Description. To read these posts in their entirely or subscribe to future updates from this blog, please visit their website!

  • Indefinite Hiatus

    I started this blog in January of 2011. As a professor, it would have been easy to work only on projects that piqued my curiosity, but I didn’t want to write on topics of purely academic interest. By committing myself to commenting on every patent case, I wanted to force myself to learn every area o … Read more »

  • Trademarks Act 7(a) Unjustified Threats Claim Fails on Second Branch

    Valley Blades Ltd v Usinage Pro-24 Inc (Nordik Blades) 2023 FC 1749 St-Louis J 2,856,940 2,965,426 2,992,233 / Segmented Snow Plow Blades Valley Blades and Nordik Blades are direct competitors in the market for snowplow blades [206]. Valley Blades brought a declaratory action seeking to have Nordik’ … Read more »

  • Obviousness Attack Succeeds: Overbreadth and Wilful Misleading Fail

    Valley Blades Ltd v Usinage Pro-24 Inc (Nordik Blades) 2023 FC 1749 St-Louis J 2,856,940 2,965,426 2,992,233 / Segmented Snow Plow Blades Valley Blades and Nordik Blades are direct competitors in the market for snowplow blades [206]. Valley Blades brought a declaratory action seeking to have Nordik’ … Read more »

  • Is a Patent Insufficient If it Requires a Minor Research Project to Practice?

    Takeda Canada Inc v Apotex Inc 2024 FC 106 Furlanetto J 2,570,916 / dexlansoprazole / DEXILANT / NOC As discussed in my last post, the patent at issue in this case related to a “pulsatile” dosage form of proton pump inhibitors (PPIs) comprising a PPI with “a first and a second dose,” which are relea … Read more »

  • Tension in the Sanofi Disclosure Analysis

    Takeda Canada Inc v Apotex Inc 2024 FC 106 Furlanetto J 2,570,916 / dexlansoprazole / DEXILANT / NOC Proton pump inhibitors (PPIs) are a class of compounds that decrease gastric acid level in the stomach [5]. PPIs are now a well-established treatment for GI disorders related to increased gastric aci … Read more »