In re Marriage of Shanks

Iowa Supreme Court's first interpretation of the state's UPAA, holding independent counsel is NOT a prerequisite and financial one-sidedness alone is not unconscionable.

Why this case matters

Shanks is one of the most pro-enforcement state supreme court opinions in the United States. The case explains why Iowa is a relatively easy state to obtain an enforceable prenup — and why "I didn't have my own lawyer" is rarely a winning argument here, provided the spouse had the opportunity.

The facts

The husband made signing a prenup a condition of marriage and gave the wife the draft 10 days before the wedding. He urged her — but did not require her — to obtain independent counsel. She signed without a lawyer six days before the wedding.

The holding

The Iowa Supreme Court upheld the prenup as both voluntary and conscionable. The court explicitly held that independent legal representation is NOT a prerequisite to enforceability under Iowa Code §596.8, and that financial one-sidedness is not, by itself, substantive unconscionability. The wife had time to review, was urged to consult counsel, and chose not to.

What it means for you

• Iowa enforces prenups even without independent counsel for both parties.
• A spouse who declines an offered opportunity to consult counsel cannot later claim its absence as a defense.
• Iowa courts focus on procedural opportunity, not procedural outcome.
• Iowa also prohibits spousal-support waivers — a separate restriction that Shanks did not change.

Primary source

The full opinion is available at: https://law.justia.com/cases/iowa/supreme-court/2018/16-1419-0.html

Iowa prenup law in context

Iowa prenups are governed by Iowa Code §§596.1 to 596.12 — official statute text. For the full cost breakdown, attorney rate ranges, and procedural requirements, see the Iowa prenup cost guide.

To check whether your specific situation has the kind of risks In re Marriage of Shanks identifies, take the 60-second prenup quiz — it applies Iowa-specific rules to your answers.

A note on legal citation

This page summarizes a published court opinion for educational purposes. We aim for accuracy but recommend reading the primary source linked above for the controlling text. Court opinions can be modified, distinguished, or overruled by later decisions; for current law, consult a family law attorney licensed in Iowa.