A New York appellate court recently modified a ruling in the case of Zeltser v. Kukolev, impacting several counterclaims related to property ownership and fiduciary duties. The decision, issued on September 16, 2026, affects the parties involved, including Roman Zeltser and Natalia Kukolev, as they navigate complex allegations surrounding a residential property on Staten Island.
The case began when Zeltser filed a lawsuit against Kukolev and others, seeking damages for trespass on a property he owned. The dispute arose from claims of an oral agreement between Zeltser and Kukolev regarding shared ownership of the property. The court's recent ruling addresses the validity of various counterclaims made by Kukolev and her co-defendants, which could have significant implications for their legal standing and potential recovery.
In 2023, Zeltser initiated the lawsuit, asserting that Kukolev and her associates trespassed on his Staten Island property. In response, the defendants filed counterclaims alleging breach of contract, conversion, breach of fiduciary duty, and other claims related to their alleged financial contributions and agreements with Zeltser. The case was brought before the Appellate Division after the Supreme Court of Richmond County denied Zeltser's motion to dismiss these counterclaims.
The primary parties in the case are Roman Zeltser, the appellant, and Natalia Kukolev, along with Hammerbilt, Inc., an entity formed by Zeltser and Kukolev. The defendants claimed that Kukolev had contributed $25,000 towards the property's purchase in exchange for an ownership interest. They also alleged that Hammerbilt, Inc. loaned Zeltser $280,000, which further complicated the ownership claims.
The Appellate Division reviewed the lower court's decision and determined that several of the counterclaims should not have been allowed to proceed. The court ruled that the first and second counterclaims, which involved breach of contract, were barred by the statute of frauds. This statute requires certain agreements related to real property to be in writing. The court stated, "the claimed partial performance must be 'unequivocally referable' to the alleged agreement." This means that the actions taken by the defendants must clearly relate to the oral agreement they claimed existed.
Additionally, the court found that the defendants did not provide sufficient evidence to support their claims of conversion, breach of fiduciary duty, and the need for an accounting. The court emphasized that to prove a breach of fiduciary duty, there must be clear evidence of misconduct and damages directly caused by that misconduct. The ruling stated that the allegations were insufficient to allow for a reasonable inference of wrongdoing.
Furthermore, the court noted that the defendants failed to demonstrate a legal basis for their eighth counterclaim, which sought partition and sale of the property. The ruling pointed out that the evidentiary materials submitted by Zeltser showed that the defendants did not have a valid cause of action for partition.
However, the Appellate Division did uphold the denial of Zeltser's motion to dismiss the sixth and seventh counterclaims, which alleged unjust enrichment. The court found that the defendants had sufficiently alleged that Zeltser was enriched at their expense, and it would be inequitable to allow him to retain that benefit. The ruling clarified that such claims could proceed, even in the absence of a written contract.
This ruling has significant implications for the parties involved, particularly for Kukolev and her co-defendants, as they continue to seek legal remedies related to their claims against Zeltser. The court's decision modifies the previous order, allowing some counterclaims to move forward while dismissing others, which could reshape the litigation strategy for both sides.
Going forward, the case may set a precedent regarding the enforceability of oral agreements in property disputes, especially concerning the statute of frauds. The ruling reinforces the necessity for clear, written documentation in real estate transactions, which could impact future cases with similar circumstances.
As for next steps, Zeltser and the defendants may choose to appeal the court's ruling further. Details were not available in the court filing regarding any related cases or additional motions that may arise as a result of this decision. The outcome of this case will likely influence how similar disputes are handled in the future, particularly in New York.











