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Prenuptial Agreements

A legal document often stereotyped as something only for the extremely wealthy is increasingly used by everyday couples simply to have one genuinely structured financial conversation before marriage.

Cheat Sheet

  • A prenuptial agreement, commonly called a "prenup," is a legal contract couples sign before marriage specifying how assets, debts, and certain other financial matters would be handled in the event of divorce or death.
  • Prenuptial agreements are legally enforceable in many jurisdictions, though specific requirements, such as full financial disclosure by both parties and each party having independent legal representation, generally must be met for a prenup to hold up if challenged in court.
  • Prenups are increasingly common well beyond couples with significant existing wealth, including younger couples seeking to protect premarital assets, manage existing debt, or clarify financial expectations before marriage.
  • Certain matters, particularly child custody and child support arrangements, generally cannot be predetermined or waived through a prenuptial agreement, since courts retain independent authority to determine these matters based on a child's best interests at the actual time of any relevant proceeding.
  • A postnuptial agreement serves a similar legal function to a prenup but is instead signed after a couple is already married, sometimes used when circumstances significantly change during the course of a marriage.
  • Discussing and negotiating a prenuptial agreement can itself serve a valuable practical function beyond its legal terms, prompting couples to have direct, structured conversations about finances and expectations before marriage.

The 60-Second Version

A prenuptial agreement, commonly called a "prenup," is a legal contract couples sign before marriage specifying how assets, debts, and certain other financial matters would be handled in the event of divorce or death. Prenuptial agreements are legally enforceable in many jurisdictions, though specific requirements, such as full financial disclosure by both parties and each party having independent legal representation, generally must be met for a prenup to hold up if challenged in court. Prenups are increasingly common well beyond couples with significant existing wealth, including younger couples seeking to protect premarital assets, manage existing debt, or clarify financial expectations before marriage. Certain matters, particularly child custody and child support arrangements, generally cannot be predetermined or waived through a prenuptial agreement, since courts retain independent authority to determine these matters based on a child's best interests at the actual time of any relevant proceeding. A postnuptial agreement serves a similar legal function to a prenup but is instead signed after a couple is already married, sometimes used when circumstances significantly change during the course of a marriage. Discussing and negotiating a prenuptial agreement can itself serve a valuable practical function beyond its legal terms, prompting couples to have direct, structured conversations about finances and expectations before marriage.

The Long Version

What Makes a Prenup Legally Enforceable

Prenuptial agreements are legally enforceable in many jurisdictions, though specific requirements generally must be met for a prenup to hold up if it's ever challenged in court, including full and honest financial disclosure by both parties at the time of signing, and each party having their own independent legal representation, requirements designed to ensure the agreement was entered into fairly and with genuinely informed consent from both sides.

Not Just for the Wealthy Anymore

Prenups are increasingly common well beyond couples with significant existing wealth, including younger couples seeking to protect assets they owned before the marriage, manage existing individual debt in a way that doesn't automatically become shared marital debt, or simply clarify financial expectations and responsibilities before entering into marriage, reflecting a meaningful shift away from the older stereotype of prenups being exclusively a tool for the very wealthy.

What a Prenup Legally Can't Decide

Certain matters, particularly child custody and child support arrangements, generally cannot be predetermined or permanently waived through a prenuptial agreement, since family courts retain independent legal authority to determine these matters based specifically on a child's best interests at the actual time of any relevant divorce or custody proceeding, rather than being bound by a prior agreement negotiated potentially years earlier under entirely different circumstances.

Postnups, and the Real Value of the Conversation Itself

A postnuptial agreement serves a similar legal function to a prenup but is instead signed after a couple is already married, sometimes used when significant financial or life circumstances change meaningfully during the course of an existing marriage. Separately from its formal legal terms, the actual process of discussing and negotiating a prenuptial agreement can itself serve a genuinely valuable practical function, prompting couples to have a direct, structured conversation about finances, expectations, and potential future scenarios before marriage that many couples might not otherwise have.

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Glossary

Prenuptial agreement (prenup)
A legal contract signed before marriage specifying how assets, debts, and certain financial matters would be handled in divorce or death.
Postnuptial agreement
A legal contract similar to a prenup but signed after a couple is already married.
Full financial disclosure
A requirement that both parties fully disclose their finances for a prenuptial agreement to be considered legally enforceable if challenged.
Independent legal representation
The requirement that each party in a prenup have their own separate attorney, generally necessary for the agreement to hold up in court.
Child custody exclusion
The general legal principle that child custody and support arrangements cannot be predetermined through a prenuptial agreement.

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