Commonwealth Bank of Australia v Khouri

The Commonwealth Bank of Australia brought an action against Khouri, seeking possession of certain property and a declaration of the enforceability of a mortgage over the property. The dispute centered on the validity and enforceability of the mortgage and a guarantee provided by Khouri's wife, particularly in light of the authenticity of the mortgagor's signature on the loan documentation. The case was heard in the Federal Court of Australia.

The primary legal issues before the court were whether the mortgage was validly executed and if both mortgagors had authorised the loans allegedly secured by the mortgage. Furthermore, the court needed to determine the burden of proof concerning the authenticity of the mortgagor's signature and whether the loan was intended to be secured by the mortgage. Additionally, the court examined whether the guarantee given by Khouri's wife, a volunteer, and the supporting mortgage were enforceable against her.

The court ruled that the Commonwealth Bank failed to provide appropriate proof of indebtedness. The bank had not established that the mortgagors had authorised the loans, and there was doubt about the authenticity of the mortgagor's signature on the loan documentation. The court held that the onus of proof lay with the bank to demonstrate that the loan was intended to be secured by the mortgage. Furthermore, the guarantee provided by Khouri's wife was found to be unenforceable against her as it did not meet the requirements for a valid guarantee under the relevant authorities. The court followed the principles established in Yerkey v Jones and Garcia v National Australia Bank Limited.

As a result of the court's findings, the Commonwealth Bank's claim for possession of the property and declaration of the enforceability of the mortgage was dismissed. The court ordered that the mortgage and guarantee provided by Khouri's wife were not enforceable, and the bank's claims against Khouri were unsuccessful.