A valid prenuptial agreement in New Jersey must meet the requirements of the Uniform Premarital and Pre-Civil Union Agreement Act, N.J.S.A. 37:2-31 through 37:2-41. The New Jersey prenuptial agreement requirements are straightforward on paper: the contract has to be in writing, signed by both parties, accompanied by a statement of each party’s assets, and entered voluntarily with full financial disclosure. Independent legal counsel is not mandatory, but a party who does not consult a lawyer must expressly waive that opportunity in writing, or the agreement is exposed to challenge.1Justia. New Jersey Code 37:2-38 – Enforcement of Premarital or Pre-Civil Union Agreement Generally
Formal Requirements
The agreement must be in writing and signed by both parties. Oral prenups are not enforceable in New Jersey. The statute also requires a statement of assets annexed to the agreement, so each party attaches a written summary of what they own and owe at the time of signing.2OpenCasebook. New Jersey Uniform Premarital Agreement Act
That annexed statement is easy to overlook, and skipping it creates problems later. The statute doesn’t dictate a format, but the attachment should be detailed enough to show both parties understood the financial picture when they signed. Vague or incomplete asset statements give the other side ammunition to challenge the agreement.
Notarization and witnesses are not required under N.J.S.A. 37:2-33, but adding them helps guard against later claims that a signature was forged or that one party never actually signed. The agreement is enforceable without any consideration beyond the marriage itself.
Voluntary Execution
A prenup signed under coercion, fraud, or undue pressure will not stand. Under N.J.S.A. 37:2-38, a court will refuse to enforce the agreement if the challenging party proves by clear and convincing evidence that they signed involuntarily.1Justia. New Jersey Code 37:2-38 – Enforcement of Premarital or Pre-Civil Union Agreement Generally
Courts look at the surrounding circumstances. Presenting an agreement just hours before the wedding, combined with a large gap in financial sophistication and limited opportunity to get advice, can support a finding that signing was not truly voluntary. In DeLorean v. DeLorean (1986), the court scrutinized a prenup presented shortly before the ceremony, though the timing alone was not enough to invalidate it.3Justia. DeLorean v DeLorean
The safest approach is to finalize the agreement well before the wedding, ideally several months in advance. That gives both sides time to review, consult attorneys, and negotiate without the pressure of an approaching ceremony.
Independent Legal Counsel
Independent counsel is not strictly required, but the statute pushes hard in that direction. Under N.J.S.A. 37:2-38(c)(4), a prenup can be deemed unconscionable if a party did not consult with independent legal counsel and did not voluntarily and expressly waive that opportunity in writing.1Justia. New Jersey Code 37:2-38 – Enforcement of Premarital or Pre-Civil Union Agreement Generally
In practice, each party should either hire their own attorney or sign a written waiver acknowledging they chose not to. Without one or the other, the agreement is vulnerable.
Full Financial Disclosure
Full and fair disclosure is one of the most common battlegrounds when a prenup is challenged. Under N.J.S.A. 37:2-38(c)(1), an agreement can be set aside as unconscionable if one party was not provided full and fair disclosure of the other’s earnings, property, and financial obligations.1Justia. New Jersey Code 37:2-38 – Enforcement of Premarital or Pre-Civil Union Agreement Generally
The annexed statement of assets is the starting point, and thorough disclosure usually goes further: bank and investment accounts, real estate, business interests, retirement accounts, debts, and tax returns. Courts look at whether the disclosures were made in good faith and whether any omissions were intentional or material.
DeLorean v. DeLorean is the landmark New Jersey case on this point. Despite finding that the wife signed voluntarily, the court refused to enforce the prenup because the husband had not met his obligation of full financial disclosure. The decision established that the spouse seeking to enforce a prenup bears a substantial burden to show the other party entered the agreement with full knowledge of the financial picture.3Justia. DeLorean v DeLorean
A party can waive the right to further disclosure, but only voluntarily and expressly in writing. Even with a written waiver, the agreement may be vulnerable if the waiving party didn’t have and couldn’t reasonably have had adequate knowledge of the other’s finances. A signed waiver is not a license to hide assets.
What a Prenup Can Cover
New Jersey gives couples broad freedom to decide what goes into the agreement. Under N.J.S.A. 37:2-34, the parties may address:
- Property rights, including who owns what and how property is divided on separation, divorce, or death, regardless of when or where it was acquired.
- Spousal support, whether alimony is modified, limited, or eliminated.
- Estate planning arrangements such as wills, trusts, and life insurance beneficiary designations that carry out the agreement’s terms.
- Choice of law if the couple later moves out of state.
- Any other personal rights or obligations that do not violate public policy.
Property and Alimony
Without a prenup, New Jersey courts divide marital property under the equitable distribution statute, N.J.S.A. 2A:34-23.1, which weighs the length of the marriage, each spouse’s income and earning capacity, contributions to acquiring or appreciating property, and the standard of living during the marriage.5Justia. New Jersey Code 2A:34-23.1 – Equitable Distribution Criteria A prenup lets couples bypass that analysis by agreeing in advance on who keeps what. The most important step is clearly distinguishing between separate property and marital property, because premarital assets can become subject to equitable distribution if they get commingled with marital funds.
Alimony works similarly. Courts have broad discretion to award alimony under N.J.S.A. 2A:34-23, and a prenup can modify or eliminate that default.6Justia. New Jersey Code 2A:34-23 – Alimony, Maintenance A complete alimony waiver is permitted, but courts will not enforce one that leaves a spouse destitute. In Rogers v. Gordon (2008), the court found that enforcing a prenup’s alimony waiver would be unconscionable because it would leave one spouse living far below the marital standard of living. Rather than invalidating the entire agreement, the court modified it to allow alimony claims while keeping the remaining provisions intact.7Justia. Ricki R Rogers v Richard S Gordon
Estate and Inheritance Rights
Prenups are not limited to divorce. Under N.J.S.A. 37:2-34(c), parties can agree on property disposition upon death, including waiving inheritance rights.4Justia. New Jersey Code 37:2-34 – Contents of Premarital or Pre-Civil Union Agreement This matters because New Jersey gives surviving spouses an automatic right to claim an elective share of one-third of the deceased spouse’s augmented estate under N.J.S.A. 3B:8-1, regardless of what the will says. A prenup can waive that right, and N.J.S.A. 3B:8-10 specifically allows a written waiver of elective share rights signed after fair disclosure.8Justia. New Jersey Code 3B:8-1 – Elective Share For couples with children from prior marriages, this provision is often the central reason to have a prenup at all.
What a Prenup Cannot Cover
New Jersey law draws a hard line at children’s rights. N.J.S.A. 37:2-35 states plainly that a prenuptial agreement cannot adversely affect a child’s right to support. Any provision that tries to waive or limit child support is unenforceable, and courts retain full authority to determine child support and custody based on the child’s best interests regardless of what the parents agreed to before marriage.9Justia. New Jersey Code 37:2-35 – Premarital or Pre-Civil Union Agreement Not to Adversely Affect Right of Child Support
Beyond child support, any provision that violates public policy is unenforceable under N.J.S.A. 37:2-34(h). Provisions that incentivize divorce, restrict a party’s right to seek court intervention, or impose penalties for legally protected behavior are likely to be struck down.
Amending or Revoking After Marriage
Life changes, and New Jersey allows couples to amend or revoke a prenup after marriage, but only through a written agreement signed by both parties. The amendment or revocation is enforceable without any additional consideration.10Justia. New Jersey Code 37:2-37 – Amendment or Revocation of Premarital or Pre-Civil Union Agreement
An oral agreement to modify or cancel is not enough. Neither is one party declaring the agreement void. Both signatures are required, and the same best practices apply: each party should have the chance to consult an attorney, and the modified terms should be fair and entered voluntarily.
How Courts Decide Enforceability
When a prenup is challenged during a divorce, the burden falls on the party trying to set it aside, and they must prove their case by clear and convincing evidence. Under N.J.S.A. 37:2-38, there are two paths to invalidation:1Justia. New Jersey Code 37:2-38 – Enforcement of Premarital or Pre-Civil Union Agreement Generally
- Involuntary execution, meaning the party signed under coercion, fraud, or duress.
- Unconscionability, meaning inadequate financial disclosure, no independent counsel without a written waiver, or insufficient knowledge of the other party’s finances.
Unconscionability is decided by the judge as a matter of law, not by a jury. The statute ties unconscionability specifically to the procedural failures listed above, so a prenup is not unconscionable simply because its terms are lopsided. The challenging party must show that one of the disclosure or counsel requirements was not met.
DeLorean and Rogers together illustrate a practical reality: courts prefer to preserve what they can rather than scrap the entire agreement. A prenup with one problematic provision may survive with that section modified or severed, leaving the rest enforceable. The strongest agreements are the ones that never give a court reason to intervene, because both sides had lawyers, both provided full financial disclosure, and the terms were reasonable enough that neither party can credibly claim unfairness later.