Prenuptial Agreement Laws in Oregon

Oregon has adopted the Uniform Premarital Agreement Act; lack of financial disclosure makes a prenup unenforceable only if it was also unconscionable when signed, and the act sets no waiting period or counsel requirement.

Last checked October 2026. General information, not legal advice.

Uniform act: UPAA (ORS 108.700 to 108.740)
Financial disclosure required: Only if also unconscionable; Lack of fair disclosure matters only if the agreement was also unconscionable when signed and the party did not waive disclosure in writing or otherwise know the other's finances.
Waiting or review period: No statutory waiting period; The Oregon act sets no minimum time between receiving and signing the agreement; timing can still matter to whether it was signed voluntarily.
Independent counsel required: No; The statute's enforcement grounds do not include lack of independent counsel.

Sources

Last checked October 2026

The rules in Oregon

Has Oregon adopted the Uniform Premarital Agreement Act or a similar uniform law?

Uniform act in Oregon: UPAA (ORS 108.700 to 108.740).

Does a prenuptial agreement in Oregon require financial disclosure to be enforceable?

Only if also unconscionable. Financial disclosure required in Oregon: only if also unconscionable. Lack of fair disclosure matters only if the agreement was also unconscionable when signed and the party did not waive disclosure in writing or otherwise know the other's finances.

Is there a waiting or review period before signing a prenup in Oregon?

Waiting or review period in Oregon: No statutory waiting period. The Oregon act sets no minimum time between receiving and signing the agreement; timing can still matter to whether it was signed voluntarily.

Does Oregon law require each party to have an independent lawyer for a prenuptial agreement?

No. Independent counsel required in Oregon: no. The statute's enforcement grounds do not include lack of independent counsel.

Where do the Oregon prenuptial agreement laws come from?

The rules above come from ORS 108.725 and ORS 108.740. Each source is linked on this page. We last checked them in October 2026.

Good to know

If a spousal support waiver would leave a party eligible for public assistance or medical assistance, a court may still order support to avoid that (ORS 108.725(2)).

What this means in practice

Sign well before the wedding. Courts may look closely at an agreement presented shortly before the ceremony, and some states set a minimum time between receiving the final draft and signing it. Leaving time to read, ask questions and negotiate helps show the agreement was entered voluntarily.

Exchange full financial information in writing. A schedule of each party's assets, debts and income attached to the agreement creates a record of what was disclosed. Where a party gives up the right to more information, that waiver should usually be in writing and signed as well.

Consider separate lawyers for each party. Even where independent counsel is not strictly required, having each person advised by their own attorney can make the agreement harder to challenge later. Terms about child support or custody are generally not binding, and spousal support waivers can face extra scrutiny, so a local attorney can confirm what is allowed.

General information, not legal advice. Laws change, and cities can add their own rules, so check the current statute before you rely on it.

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