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Prenups: produce it a week before the wedding and a court may hold it invalid outright
The most common way a prenuptial agreement fails isn't badly drafted terms, it's signing at the wrong time.
The timing is the validity
Produce the agreement a week before the wedding and ask your partner to sign, and a court may find it signed under duress and therefore invalid.
The reasoning is blunt: by then the invitations are out, guests have booked flights, and the venue deposit is paid. The pressure of "sign or we cancel the wedding" is real, and consent given under it isn't necessarily consent a court will honor.
Sign at least 30 days before the weddingAnd the earlier, the better. Ideally after the engagement and before you start spending money, while both parties still have real room to say no.
Requirements for validity (which vary by state)
The common ones:
- In writingAn oral agreement does not count.
- Both parties voluntaryThis goes back to the timing issue mentioned above.
- Full financial disclosureConcealing assets will bring the whole agreement down.
- Independent counsel for each partySharing a single lawyer is a common reason for an agreement to be ruled invalid.
- Not unconscionable(unconscionable): extremely one-sided terms that courts may simply refuse to enforce.
These requirements differ from state to state; go by the law of the state you expect to apply.
"Separate lawyers" isn't a formality
Plenty of people try to share one lawyer to save money, or have one side's lawyer "take a quick look" for the other. That's the arrangement most likely to get an agreement overturned later.
Typical cost is $1,500 to $5,000 (both parties' lawyers combined). That money buys more than a document; it buys the document holding up later. Save it and render the agreement invalid, and you bought nothing.
Who should particularly consider one
- Anyone with pre-marital assetsThings like real estate, investments, and savings.
- Anyone with a family businessPay extra attention to this one, because it affects more than just the two of you, pulling in other shareholders and family members as well.
- Anyone with children from a prior marriageThe main point is ensuring future inheritance arrangements do not easily get overturned.
- Anyone where one party carries large debtsThis includes student loans too.
If you're both starting out with few assets, a prenup genuinely isn't necessary. But if any of the above applies, it isn't a question of trusting your partner, it's basic finance.
How this relates to community property states
Which state you live in heavily affects how necessary a prenup is. In community property states (Arizona, California, Idaho, Louisiana, Nevada, New Mexico, Texas, Washington and Wisconsin) post-marital earnings are generally half each; other states follow equitable distribution (see item 73 of the checklist).
Moving between states changes which rules apply. A prenup locks things in place regardless of where you live, which is its real value for families on the move.
How to raise it
This is the genuinely hard part, and no technique removes the awkwardness entirely. Two practical approaches:
- Fold it into the financial conversation rather than raising it aloneOnce engaged, you need to talk about money anyway, like who pays for the wedding, how accounts work, and how debts are handled. A prenup is just part of that conversation.
- Make clear it protects both of youA fair agreement clearly sets out rights for both people, rather than serving as a one-sided defense weapon.
In one line
If you are going to sign, do it early, ideally after engagement and before spending begins. Separate lawyers and full financial disclosure are required, and missing any of these three can void the agreement.