The principle which precludes a person from asserting something contrary to what is implied by a previous action or statement of that person or by a previous pertinent judicial determination.
‘the case had been one of estoppel’
‘that fact is not sufficient to raise an estoppel’
‘Historically, both these forms of estoppel are common law developments.’
‘I think that it is unhelpful to introduce private law concepts of estoppel into planning law.’
‘In my judgment there is no estoppel operating against the plaintiff.’
‘I take the view that the question of issue of estoppel does not and cannot arise in judicial review proceedings.’
‘Given the absence of any such promise, any claim based on promissory estoppel would fail.’
‘On the full facts the judge found that there was an estoppel and awarded him £200,000 based on the cost of care.’
Origin
Mid 16th century from Old French estouppail ‘bung’, from estopper (see estop).
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