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WI Community Property

Wisconsin Prenuptial Agreement

Wisconsin’s prenuptial agreement law under Wis. Stat. §§ 766.58, 767.61 requiring written execution, voluntary consent, and full financial disclosure. Wisconsin is a community property state — marital assets are generally owned 50/50, making prenups valuable for protecting pre-marital assets and business interests.

GOVERNING LAWWisconsin Common Law
STATUTEWis. Stat. §§ 766.58, 767.61
PROPERTY SYSTEMCommunity Property (Marital Property)
AVG. ATTORNEY COST$1,500–$5,000

Wisconsin Prenuptial Agreement Overview

Wisconsin’s prenuptial agreement law under Wis. Stat. §§ 766.58, 767.61 requiring written execution, voluntary consent, and full financial disclosure. Wisconsin is a community property state — marital assets are generally owned 50/50, making prenups valuable for protecting pre-marital assets and business interests.

Key Facts About Wisconsin Prenuptial Agreements

  • Wisconsin recognizes prenuptial agreements under Wis. Stat. §§ 766.58, 767.61
  • Wisconsin is a community property state — marital assets are generally owned 50/50
  • Courts will void a prenup signed under duress or without proper financial disclosure
  • Both parties must sign voluntarily and with full knowledge of the other’s assets
  • Independent legal counsel for both parties is strongly recommended
  • The agreement must be in writing and signed by both parties before the wedding
  • The agreement must be presented well in advance of the wedding to avoid duress claims

What Can Be Included in a Wisconsin Prenup?

Can Be Included

  • Rights and obligations regarding property
  • Right to buy, sell, use, transfer, or manage property
  • Disposition of property upon separation, divorce, or death
  • Modification or elimination of spousal support
  • Making of a will or trust
  • Ownership rights in a life insurance death benefit
  • Choice of law governing the agreement

Cannot Be Included

  • Child support or child custody provisions
  • Provisions that encourage divorce
  • Provisions that violate criminal law or public policy
  • Terms that are unconscionable
Attorney Recommendation: While it is possible to draft a prenuptial agreement without an attorney, Wisconsin courts are more likely to enforce agreements where both parties had independent legal counsel. The average cost of a Wisconsin prenuptial agreement drafted by an attorney is $1,500–$5,000.

Wisconsin Prenuptial Agreement Laws & Requirements

Governing Statute

Prenuptial agreements in Wisconsin are governed by Wis. Stat. §§ 766.58, 767.61. Wisconsin has developed its own common law and statutory framework for prenuptial agreements.

Requirements for a Valid Prenuptial Agreement in Wisconsin

  1. Written Agreement: The prenuptial agreement must be in writing. Oral prenuptial agreements are not enforceable in Wisconsin.
  2. Signed by Both Parties: Both parties must sign the agreement before the wedding ceremony.
  3. Voluntary Execution: Both parties must sign voluntarily, without duress, coercion, or undue influence.
  4. Full Financial Disclosure: Both parties must fully disclose their assets, debts, and financial obligations.
  5. Executed Before Marriage: The agreement must be signed before the marriage takes place.
  6. Fair and Reasonable: Courts may void provisions that are unconscionable or grossly unfair.

Grounds for Invalidating a Wisconsin Prenuptial Agreement

  • Signed under duress, coercion, or undue influence
  • Lack of full and fair financial disclosure
  • Signed without adequate time to review (presented too close to the wedding)
  • One or both parties lacked mental capacity
  • Provisions that are unconscionable or violate public policy
  • Failure to meet formal execution requirements

Official Resources

Wisconsin Prenuptial Agreement Forms & Resources

Below are resources for Wisconsin prenuptial agreement forms, official government documents, and related legal forms.

Free Wisconsin Prenuptial Agreement Template

Our free prenuptial agreement template is designed to comply with Wisconsin law under Wis. Stat. §§ 766.58, 767.61. It includes all required provisions and can be customized to your specific situation.

Download Free Template

Official Wisconsin Legal Resources

Related Wisconsin Legal Forms

Find a Wisconsin Prenuptial Agreement Attorney

Finding an experienced family law attorney in Wisconsin is one of the most important steps in creating an enforceable prenuptial agreement. Courts are more likely to uphold agreements where both parties had independent legal counsel.

How to Find a Qualified Wisconsin Prenup Attorney

  • Look for attorneys who specialize in family law and marital agreements
  • Both parties should have separate, independent attorneys
  • Start the process at least 3–6 months before the wedding
  • Ask about experience specifically with prenuptial agreements
  • Request a flat-fee quote rather than hourly billing when possible

Official Wisconsin Attorney Referral Resources

Cost Estimate: The average cost of a prenuptial agreement in Wisconsin drafted by an attorney is $1,500–$5,000. This typically includes one attorney reviewing the agreement; both parties should have separate counsel.
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