The elements of the tort of passing off are:
The existence of goodwill;
Deception of the public due to a misrepresentation; and
Actual or potential damage to the plaintiff.
Ciba-Geigy Canada Ltd. v. Apotex Inc.,  3 S.C.R. 120, at para. 33.
NOTE: Where the goodwill relates to a trade mark, sections 7(b) and 53.2(1) of the Trademarks Act, RSC 1985, c. T-13, provides a parallel statutory action for an injunction and damages.