[header] How to claim undue influence in estate planning [title] Avoid delay. [step] You need to move fast if you want to challenge an estate plan for undue influence. The deadline is usually very short. 
If you miss the deadline, then you can't bring the suit, regardless of how solid your claim of undue influence is. [substeps] In florida, for example, you only get three months to raise a challenge to a will after receiving notification that the will has been submitted to probate.