Unjust enrichment claims for money paid under illegal contracts may succeed if recovery is consistent with the statutory policy underlying the illegality.
equity
Change of position is a defence to a claim in unjust enrichment for mistaken payments where the defendant has detrimentally relied on the receipt.
Equitable compensation for breach of fiduciary duty does not require but-for causation, and a fiduciary must account for profits made in breach of their stringent obligations.
Systemic unconscionable conduct in commerce may found liability under s.51AC TPA (now ACL s.21) without targeting a specific individual.
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