-- The prenup is not in writing: For a prenuptial agreement to be valid, it must be a written document, witnessed by outside parties — At least one party
provided false information: The inclusion of untruthful information or even incomplete information will render a prenuptial agreement invalid — Pressure, duress or coercion: If one party forces the other to sign a prenuptial agreement, regardless of whom the document most benefits, it will be invalid — The prenup was not
read: If one or the other spouse does not
read the prenuptial agreement, it is possible the document could be challenged — Improper execution: To be valid, the agreement must be
read and signed by both parties before the marriage occurs — Gross unfairness: While a prenuptial agreement gives the couple a great deal of flexibility in how they establish financial rights, the court may decide not to enforce the prenup if it is grossly unfair to one of the parties