What is the test for common class members in a common class action?

Ontario, Canada


The following excerpt is from Lipson v. Cassels Brock & Blackwell LLP, 2011 ONSC 6724 (CanLII):

For an issue to be common, it is not essential that the class members be identically situated vis-à-vis the opposing party or benefit from the successful prosecution of the action to the same extent: Western Canadian Shopping Centres v. Dutton, supra, at paras. 39-40.

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