There is no such thing as "ironclad" in the family law world. And this includes purportedly "ironclad" prenuptial agreements. With the help of a good Chicago family law attorney, you can potentially overcome and invalidate even the most detailed prenup.
A prenuptial agreement is generally a contract. And like all contracts, the prenuptial agreement needs to meet certain requirements to be valid and enforceable.
Some of the best arguments that can potentially overcome a prenuptial agreement include the following: