The intersection of assisted reproductive technology (ART) and family law becomes most pronounced when couples divorce after creating embryos through IVF. Disputes regarding the ownership and dispositional control of embryos raise complex questions under contract law, reproductive law, property law, and evolving statutory frameworks.
In New York, courts have developed a structured approach to these disputes, with key precedents emphasizing the primacy of express written agreements between the parties who created the embryos. Understanding these principles is critical for IVF patients, clinicians, and attorneys who counsel individuals and couples prior to treatment. Our New York, NY embryo dispute lawyer is here to help you throughout the process.
Embryos As Property With Unique Legal Status
In New York, courts generally treat embryos as property with a special character, not as persons (unlike Louisiana, Mississippi, Alabama and other state. See The Legal Status of Embryos). The leading authority is Kass v. Kass (91 N.Y.2d 554 [1998]), in which the Court of Appeals upheld the validity of consent forms signed during IVF treatment that set forth disposal methods for cryopreserved pre-zygotes (an early term for embryos) in the event of disagreement. The court enforced the parties’ written agreement (opting to donate the pre-zygotes to research) against post-divorce objections, reinforcing the enforceability of consensual disposition terms agreed to by the parties at the outset of their IVF treatment.
New York Case Law: Declarations Of Intent And Disposition Controls
Recent New York rulings continue to enforce the principles of mutual consent and intent at the start of IVF treatment when faced with a later dispute over embryo disposition. For example, in E.L. v. A.S. (2025 NY Slip Op 25261), a New York Supreme Court decision reaffirmed that the parties’ executed “Declarations of Intent” controlled the disposition of cryopreserved embryos after divorce. The court granted the petition seeking to award embryos for implantation in accordance with those agreements and denied the cross-motion to destroy them, underscoring that properly executed disposition documents remain controlling.
IVF Clinic Forms And Embryo Disposition Agreements
It’s important to note that neither of the above-referenced cases involved parties who entered into valid embryo disposition agreements, now a statutorily defined in New York Family Court Act Section 581-306. If courts in New York are enforcing clinic forms as legally binding, it logically follows that a written legal contract regarding the future disposition of embryos entered into by two consenting parties with the benefit of legal counsel would be equally enforceable.
Case Law Emphasizing Enforceability Of Written Agreements
The significance of pre-treatment agreements is further highlighted in decisions such as K.G. v. J.G. (72 Misc. 3d 593 [Sup. Ct. Suffolk Cty. 2021]), where the plaintiff sought a declaratory judgment regarding rights under a consent and cryopreservation contract that explicitly addressed ownership and control of the parties’ embryos. While not a Court of Appeals decision, the case illustrates how New York trial courts evaluate contractual language governing disposition rights in post-divorce settings.
ART Law And The Limits Of Judicial Intervention
The New York jurisprudence reflects a consistent principle: in the absence of explicit agreements, courts are reluctant to impose their views on embryo disposition. Instead, the law prioritizes the documented intentions of the parties expressed through consent forms, written declarations of intent, and embryo disposition agreements. This contractual approach contrasts sharply with jurisdictions where personhood arguments or public policy concerns may override patient consent and intent.
Practical Implications For Couples And Clinicians
- Execution of Embryo Disposition Agreements:
The most effective method for mitigating embryo disputes during a divorce is to execute a comprehensive embryo disposition agreement before embryos are created or at least shortly after they are created. These agreements should clearly articulate what happens to the embryos in the event of separation, divorce, death, or incapacity. These agreements should also address who is a legal parent of the embryos if they are awarded to one party. - Consistency with Clinic Consent Forms:
Agreements should be consistent with, or incorporate by reference, the clinic’s own IVF consent forms and cryopreservation and storage agreements to avoid conflicts that could undermine enforceability. Be intentional when completing these forms. - Jurisdictional Variability:
While New York enforces such agreements, other states have adopted divergent approaches — including personhood and other pro-life views of embryos — that could affect outcomes if embryos are stored or transported interstate. This reinforces the importance of tailored legal advice from an experienced reproductive law attorney. - Documentation and Witnessing:
Courts scrutinize the clarity and voluntary nature of executed agreements, including the benefit of legal counsel and the informed consent of each party. Well-drafted documents reduce the risk of later challenges.
Conclusion
Embryo disputes during divorce are fundamentally legal disputes rooted in contract law, reproductive law, property law, and principles of parentage laws. New York’s jurisprudence — from Kass v. Kass to 2025 decisions like E.L. v. A.S. — makes clear that carefully drafted, express agreements clearly addressing the parties’ intentions are determinative. Couples considering IVF should engage experienced ART law counsel early in their family-building process to ensure that embryo disposition planning protects their intentions and minimizes the risk of future litigation.
At Oleaga Law LLC, we specialize in Assisted Reproductive Technology (ART) law, including the negotiation and drafting of embryo disposition agreements tailored to New York’s legal landscape and best practices. For help navigating embryo ownership and dispute avoidance, contact our team to schedule a consultation.