The Supreme Court of Canada recently denied leave to appeal in respect of the Alberta Court of Appeal’s decision in 852819 Alberta Ltd v Sovereign General Insurance Company, 2017 ABCA 76, leave to appeal denied 2017 CanLII 51468 (SCC) (“852819 Alberta”), which provides much needed clarification regarding the interpretation of the By-law Endorsement coverage common to most all-risk commercial property insurance policies in Canada. The defendant insurers were represented by the authors.