Can estoppel prevent an action from being litigated again?

Ontario, Canada


The following excerpt is from Nicholas v Toronto-Dominion Bank, 2016 ONSC 3824 (CanLII):

Cause of action estoppel prevents not only the same cause of action from being litigated again, but also bars claims which properly belonged to the subject matter of previous litigation: Maynard v. Maynard (1950), 1950 CanLII 3 (SCC), [1951] S.C.R. 346 (S.C.C.).

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