Foreign file wrapper estoppel | Brion Raffoul LLP

Throwback Thursday: CanMar and Foreign File Wrapper Estoppel

March 18, 2021 by Liz Gray

Look for Brion Raffoul’s Throwback Thursday posts, where we revisit posts and cases of interest! In December 2019, we reported on CanMar Foods Ltd. v TA Foods LTD (2019 FC 1233, “CanMar FC”). CanMar FC was the first case to look at Section 53.1 of the Patent Act–a …

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