By: Kyle Gardiner
PDF Version: The Discoverability Principle Applies—No Seriously, For Real This Time—to Contract Claims in Alberta
Case Commented On: Weir-Jones Technical Services Incorporated v Purolator Courier Ltd, 2019 ABCA 49 (CanLII)
Last month, the Alberta Court of Appeal delivered its long-awaited decision in Weir-Jones Technical Services Incorporated v Purolator Courier Ltd, 2019 ABCA 49 (CanLII) (Weir-Jones). The decision has been much anticipated largely because it clarified the correct standard of proof for summary judgment applications in Alberta (a balance of probabilities). As a bonus, the decision also provided clarification on another topic in which confusing and contradictory lines of authority had emerged in Alberta: the question of whether the discoverability principle applies when determining limitation periods applicable to breaches of contract in Alberta. Does a plaintiff’s limitation period for a breach of contract claim commence when the breach occurred, or when the plaintiff ought to have discovered that it had a claim?