Estoppel

The Defence of Estoppel

BMO Nesbitt Burns Inc. v. Wellington West Capital Inc., 2004 CanLII 33776 (ON SC)

[24] To assert estoppel by convention, a party must demonstrate that both parties embarked upon a course of conduct based upon the same premise or assumption. See Amalgamated Investment & Property Co. Ltd. (in liquidation) v. Texas Commerce International Bank Ltd., [1982] 1 Q.B. 84 at 122 (C.A.) per Denning M.R.