Contracts & ExecutionQuestion 862 of 1632

'Undue influence' as a ground to rescind a contract typically involves:

a.A threat of unlawful harm that leaves no reasonable alternative but to sign
b.A mistaken belief about a basic fact that both parties shared
c.A knowing misrepresentation of a material fact that the other party believes
d.Unfair persuasion of a party who trusts or depends on the other

Explanation

Civil Code §1575 defines undue influence as taking an unfair advantage of another's weakness of mind, or using a real or apparent authority or a confidential relationship to get an unfair advantage: consent is given, but not freely, so the contract is voidable. The distractors are its three siblings on the §1567 list of defects in consent — (a) is duress (§1569), (c) is actual fraud (§1572), and (b) is mistake of fact (§1577). All four make a contract voidable; only undue influence turns on a relationship of trust or dominance rather than on a threat, a lie, or an error.

Law Reference: Civil Code §1567, §1569, §1572, §1575, §1577

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