By Mr. Sris, Founder, CEO & Principal Attorney, Law Offices Of SRIS, P.C.
A prenuptial agreement is intended to bring certainty to a marriage by establishing, in advance, how property, debts, and financial support will be handled if the relationship ends. Many couples assume that once signed, a prenup is beyond challenge. In reality, the enforceability of these agreements is litigated regularly, and courts retain significant authority to set aside agreements that were not entered into properly.
Understanding how prenuptial agreements are challenged — and how they are defended — is essential whether you are seeking to invalidate an agreement that no longer serves a fair purpose, or working to protect one you intend to rely upon.
When a Court Will Set Aside a Prenuptial Agreement
Courts do not refuse to enforce prenuptial agreements simply because one spouse later finds the terms unfavorable. Rather, they examine whether the agreement was the product of a fair and lawful process. An agreement may be challenged on several recognized grounds.
The first is the absence of voluntary agreement. If one party was pressured, threatened, or presented with the document under significant time pressure — for example, immediately before the wedding — a court may conclude that genuine, free consent was lacking.
The second is the failure to provide full financial disclosure. Both parties are generally required to disclose their assets and liabilities before signing. Where one spouse conceals accounts, business interests, or debts, the other was deprived of the information necessary to make an informed decision, and the agreement may be deemed unenforceable.
The third is unconscionability. An agreement so one-sided that it leaves one spouse without reasonable provision may be refused enforcement as fundamentally unfair.
The fourth is the denial of independent legal counsel. Each party should have the opportunity to consult their own attorney. When one spouse proceeds without representation while the other relies on counsel, courts scrutinize the agreement closely.
The fifth is improper execution or fraud. If the agreement was not signed, witnessed, or notarized in accordance with the requirements of the governing jurisdiction, or if it was founded on fraud or misrepresentation, its validity may be defeated entirely.
How a Prenuptial Agreement Is Defended
The defense of a prenuptial agreement mirrors these grounds. A well-constructed agreement demonstrates that the process was sound at every stage: it was signed well in advance of the wedding, supported by complete written financial disclosure, reviewed by independent counsel for each party, balanced in its terms, and executed in full compliance with applicable formalities. An agreement built on these foundations is considerably more difficult for any court to disregard.
Why Experienced Counsel Matters
Prenuptial agreement disputes frequently turn on details that are not apparent to those without family law experience — the timing of execution, the adequacy of disclosure, or compliance with jurisdiction-specific requirements. These matters can determine the division of significant assets, including the marital home, retirement accounts, and business interests.
At the Law Offices of SRIS, P.C., our family law team advises clients on both sides of prenuptial agreement disputes. Whether you are seeking to challenge an agreement or to defend its enforceability, we provide clear, strategic guidance grounded in the law of the relevant jurisdiction.
This content is provided for general informational purposes only and does not constitute legal advice. Prenuptial agreement law varies by jurisdiction, and the outcome of any matter depends on its specific facts. You should consult a licensed family law attorney regarding your individual circumstances.