Hart v O’Connor [1985, New Zealand]


  • Hart wished to purchase a farm, with very favourable terms to himself, from O’Connor, the farm’s trustee
  • O’Connor agreed to the purchase
  • Unknown to both parties, O’Connor was suffering from senile dementia


  • Could the contract be set aside due to unconscionable conduct or mental incapacity


  • Yes, for mental incapacity, not unconscionable conduct


  • Unconscionable conduct was not present as Hart did not know of the dementia and the terms were set out by Hart’s solicitor and merely accepted by Hart, then in turn O’Connor
RELATED CASE  Sheikh Bros v Ochsner [1957]

Posted in Contract Law Revision Notes.

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