Civil Code section 1575

Undue influence consists:
1.In the use, by one in whom a confidence is reposed by another, or who holds a real or apparent authority over him, of such confidence or authority for the purpose of obtaining an unfair advantage over him;
2.In taking an unfair advantage of another’s weakness of mind; or,
3.In taking a grossly oppressive and unfair advantage of another’s necessities or distress.

Source: Section 1575, https://leginfo.­legislature.­ca.­gov/faces/codes_displaySection.­xhtml?lawCode=CIV§ionNum=1575.­ (accessed Jun. 25, 2025).

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Verified:
Jun. 25, 2025

§ 1575's source at ca​.gov