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  2. New York Unregistered Marital Property Claim: How to Assert Rights in a Non-Marital Union

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We provide a variety of legal knowledge and information, and inform you about legal procedures and response methods in each field.

New York Unregistered Marital Property Claim: How to Assert Rights in a Non-Marital Union

While many couples live together in long-term relationships that resemble marriage, the lack of a marriage certificate in New York means that equitable property division is not automatically granted. To pursue a New York Unregistered Marital Property Claim, a party must meet specific legal thresholds. This article outlines the filing process, relevant precedents, and practical considerations when claiming property after the end of a non-marital relationship.

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1. New York Unregistered Marital Property Claim: Legal Grounds for Filing


Unlike divorcing spouses under Domestic Relations Law §236(B), unmarried cohabitants are not entitled to automatic property division. Instead, claims must rely on contract law, equity principles, or unjust enrichment arguments.



New York Unregistered Marital Property Claim: Establishing the Relationship


New York does not recognize common-law marriage unless it was legally created in another state. To succeed in a property claim, the party must prove mutual intent to share assets, financial interdependence, and a stable cohabitation arrangement. Courts often consider joint leases, shared financial accounts, public perception, and other conduct that demonstrates an implied agreement.



New York Unregistered Marital Property Claim: Filing the Civil Complaint


The appropriate venue is the New York Supreme Court, not Family Court, as these are civil—not matrimonial—matters. The complaint must include:

  • Background of the relationship
  • Description of jointly acquired or maintained property
  • Details of contributions made by each party
  • Legal theory (e.g., implied contract or unjust enrichment)

 

Depending on the nature of the claim, the statute of limitations may vary (typically 3–6 years).



New York Unregistered Marital Property Claim: Situations Where Claims Are Denied


Claims often fail when there’s no evidence of mutual economic intent or where one party was legally married during the relationship. New York courts are clear that purely romantic or sexual relationships do not create property rights. Also, informal domestic services—like housework or caregiving—are not grounds for property recovery.



2. New York Unregistered Marital Property Claim: Key Judicial Precedents


Several influential cases clarify the limited circumstances in which unregistered marital property claims may succeed in New York.



New York Unregistered Marital Property Claim: Joint Effort Principle


In Morone v. Morone, 50 N.Y.2d 481 (1980), the Court of Appeals ruled that while New York does not allow common-law marriage, express or implied agreements between cohabitants can be enforced if supported by sufficient evidence—and not merely sexual services.



New York Unregistered Marital Property Claim: Contribution-Based Relief


In Deborah v. Shawn, 61 Misc. 3d 391 (Sup. Ct. N.Y. Co. 2018), a claim based on unjust enrichment was allowed where one partner significantly contributed to property ownership and upkeep, provided that evidence existed of intent to share benefits.



New York Unregistered Marital Property Claim: Adulterous Relationships Denied


In Carney v. Carney, 233 A.D.2d 351 (2d Dep’t 1996), the court rejected the property claim of a non-marital partner where one party was still legally married, reinforcing that adultery-based relationships will not receive marital-like protections.



3. New York Unregistered Marital Property Claim: Practical Proof Guidelines


Courts demand concrete proof of shared financial arrangements and mutual intent. Below is a structured summary of what kind of evidence can strengthen your case.

 

Key Elements to Prove in a New York Unregistered Marital Property Claim

CategorySpecific Examples
Joint Ownership or SpendingCo-purchased assets, jointly titled property, or shared bank accounts
Proof of Shared IntentEmails, text messages, or notes expressing financial partnership
Third-Party TestimonyStatements from friends or relatives confirming the relationship
Financial ContributionsDocumentation of rent, mortgage, utility payments, or joint expenses


New York Unregistered Marital Property Claim: Use of Cohabitation Agreements


A growing number of couples choose to draft cohabitation agreements that outline how to divide finances and property. These are generally enforceable under New York contract law if written voluntarily and with clear intent. Parties are also advised to prepare wills or name each other as beneficiaries, since intestacy laws exclude unmarried partners.


04 Jul, 2025

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The information provided in this article is for general informational purposes only and does not constitute legal advice. Reading or relying on the contents of this article does not create an attorney-client relationship with our firm. For advice regarding your specific situation, please consult a qualified attorney licensed in your jurisdiction.

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