California Civil Code § 1575. Undue Influence
Undue influence consists:
- 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;
- In taking an unfair advantage of another’s weakness of mind; or,
- In taking a grossly oppressive and unfair advantage of another’s necessities or distress.