Marine Life Solutions, LLC v. Field & Main Bank, Inc. — Court affirmed bank’s right to offset funds erroneously deposited to customer’s account against customer’s defaulted debt

Case
Marine Life Solutions, LLC v. Field & Main Bank, Inc.
Court
Kentucky Court of Appeals
Date Decided
July 2, 2026
Docket No.
2025-CA-0010
Topics
Bank setoff rights; Unjust enrichment; Erroneous deposits; UCC Article 9
Source
Read the full opinion

Background

Marine Life Solutions, LLC (MLS), a Florida-based automotive parts supplier, entrusted payment processing to Toyota Tsusho America, Inc. (TAI), which sources parts for Japanese automakers. Due to a TAI accounting error, two substantial payments intended for MLS were wire-transferred to the wrong account—that of Moon Eyed Imagineering, LLC (MEICO), a Kentucky company owned by Mark Herndon (the husband of MLS’s owner). The two companies had the same business address, contributing to the confusion.

MEICO banked with Field & Main Bank (FMB) and had defaulted on a mortgage loan secured by real property in Garrard County, with an outstanding balance of approximately $559,000. In June 2021 and November 2021, FMB received the misdirected payments totaling over $924,000. Learning of MLS’s intended ownership, FMB nevertheless exercised its contractual and statutory right of setoff, applying the deposited funds to MEICO’s debt and releasing the mortgaged properties.

MLS sued in Fayette Circuit Court in June 2022, seeking recovery of the funds on theories including conversion, unjust enrichment, and constructive trust. The trial court granted summary judgment for FMB. MLS appealed, arguing the bank should not be permitted to offset funds it knew were erroneously deposited and intended for a third party.

The Court’s Holding

The Kentucky Court of Appeals affirmed the trial court’s summary judgment. The court held that FMB properly exercised its right of setoff, which is a “long-standing legal provision, developed over many decades.” Under both contract (FMB’s loan documents expressly granted a setoff right in all of MEICO’s accounts upon default) and statute (Kentucky’s adoption of UCC Article 9), banks have the authority to offset a customer’s deposit account against that customer’s defaulted indebtedness.

The court rejected MLS’s argument that setoff rights do not apply to funds erroneously deposited or belonging to third parties. Applying Kentucky precedent and the UCC, the court held that a depository bank is not burdened with determining fund sources or investigating third-party claims. The court noted that under UCC § 9-327(3), a bank’s security interest in deposit accounts enjoys “super-priority” over conflicting interests, including those of third parties. The funds, deposited into MEICO’s account in the regular course of banking business, became part of MEICO’s account balance and were subject to FMB’s setoff rights.

The court rejected MLS’s claims for constructive trust and unjust enrichment. A constructive trust requires clear evidence of fraud, misrepresentation, concealment, or unconscionable conduct by the party retaining legal title. Here, FMB took no affirmative steps to divert funds; rather, TAI unilaterally misdirected the payments. The court noted MLS’s failure to sue TAI (the party responsible for the error) and its failure to join MEICO as a defendant, despite their close ownership ties. MEICO later sold released properties for $375,000 without compensating MLS, yet MLS offered no evidence that FMB acted unconscionably in offsetting against collateral it lawfully held.

Key Takeaways

  • Banks have a statutory and contractual right to offset customer deposit accounts against that customer’s defaulted debt without investigating fund sources or third-party claims to those funds.
  • UCC Article 9 provides depository banks “super-priority” security interests in customer accounts, prevailing over conflicting creditor interests, including those of third parties.
  • Deposits received in the regular course of banking business are “general deposits” belonging to the bank and customer relationship, not “special deposits” held in trust for the payor’s intended beneficiary, absent evidence of a mutual understanding to the contrary.
  • Constructive trust and unjust enrichment remedies require clear evidence of the bank’s fraud, misrepresentation, or unconscionable conduct—not merely knowledge of an error or failure to investigate fund provenance.
  • Third parties claiming rightful ownership of erroneously deposited funds must sue both the entity that misdirected the funds and the account holder, and cannot rely solely on the bank’s knowledge of error to create an equitable remedy.

Why It Matters

This decision provides important clarity for banks facing conflicting claims when misdirected payments land in customer accounts. Banks need not become investigators of fund provenance or arbiters of third-party claims to the deposited funds. So long as the bank holds a valid setoff right under its loan documents and the UCC, it may apply such funds to an in-default customer’s debt without incurring liability to the intended (but non-customer) beneficiary. The decision protects banks from the burden of second-guessing the source of deposits or the parties’ true intentions after deposit.

The decision also underscores the importance of proper pleading and party joinder. MLS’s failure to sue TAI (which initiated the payment error) and its failure to join MEICO (which received the benefit of debt forgiveness and realized property sales) weakened its equitable claims and contributed to the court’s finding that imposing a constructive trust would be inequitable. Parties asserting ownership of misdirected funds should act swiftly to join all relevant parties and recover directly from the error source and the account holder rather than relying on a bank’s equitable sense of fairness.

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