Serobian & Anor v Commonwealth Bank of Australia

In *Serobian & Anor v Commonwealth Bank of Australia*, the High Court of Australia considered an appeal concerning the interpretation of a mortgage guarantee. The appellants, Mr. and Mrs. Serobian, had guaranteed the debts of a company, Serobian Pty Ltd, to the Commonwealth Bank of Australia. The dispute arose when the company defaulted on its loan obligations, and the Bank sought to enforce the guarantee against the Serobians.

The central legal issue before the High Court was whether the guarantee extended to the full amount of the company's indebtedness to the Bank, or if it was limited by the terms of the guarantee document itself. Specifically, the court had to determine the proper construction of the guarantee clause in light of the surrounding circumstances and the principles of contractual interpretation.

Hayne J, delivering the judgment of the High Court, applied established principles of contractual interpretation, emphasising that the meaning of a contract is to be determined by what the parties have agreed to, objectively ascertained from the language they used. His Honour found that the language of the guarantee was clear and unambiguous, and that it unequivocally extended to all present and future liabilities of the company to the Bank. The Court rejected the appellants' submission that the guarantee should be read down or limited in scope, finding no basis in the contract or the surrounding circumstances to support such a contention.

The appeal was dismissed.