Rigby & Kingston

This matter concerned a dispute between Rigby and Kingston, heard before Carew J in the Supreme Court of New South Wales. The core of the disagreement revolved around the interpretation and enforceability of a deed of settlement. Rigby sought to enforce the terms of this deed, while Kingston resisted, alleging that the deed was void due to a fundamental mistake.

The central legal issue before the court was whether a mutual mistake concerning the underlying assumptions upon which the deed of settlement was based rendered the deed void. Specifically, the court had to determine if the mistake was so fundamental as to vitiate consent, thereby preventing the deed from having legal effect.

Carew J analysed the principles of contract law relating to mistake, particularly focusing on the concept of a "common mistake" that goes to the root of the contract. His Honour considered whether the mistake alleged by Kingston was one of fact or law, and whether it was so profound that it could be said that the parties never truly reached an agreement. The court applied established legal principles to assess the nature and impact of the alleged mistake on the validity of the deed.

The court found that the mistake alleged by Kingston was not of such a fundamental nature as to render the deed void. Consequently, the deed of settlement was upheld, and Rigby was successful in their application to enforce its terms.