Where a mortgage or guarantee is set aside ab initio for undue influence, the lender cannot claim equitable contribution from a solicitor whose negligence facilitated the transaction, because the liabilities are not co-ordinate: the lender's liability depends on the transaction being avoided while the solicitor's liability depends on it being affirmed. The avoidance of instruments that are to be regarded as never having been validly entered into does not give rise to a loss capable of founding a contribution claim. The question whether equity will assist a party seeking contribution to a liability arising from undue influence for which it bears responsibility was left open.
The full text is available to signed-in members, including the 9 later cases that cite this judgment.
2 of the 9 citing cases carry a classified treatment. How each court treated it is available to signed-in members.