An analysis of Kim v. Pak (2024) and why deterministic mathematical apportionment must supersede manual forensic assumptions.
In a high-net-worth dissolution of marriage, the Husband (a vascular surgeon) owned a separate-property medical practice (AMIS) prior to the marriage. During the marriage, the practice generated approximately $4 million in profits. The Husband utilized these profits to purchase five commercial properties, placing them into multiple LLCs.
The central dispute was the characterization of these five properties: Were they the Husband’s sole and separate property, or had they become community property?
Tracing funds from a highly active business account through years of marital expenditures is notoriously difficult when done manually. Faced with extensive transactional noise, the jointly retained forensic expert determined that the tracing of sole and separate funds was "unreliable."
The joint expert concluded that because the profits from the business were so heavily commingled with community assets before the properties were purchased, the entirety of the funds had been transmuted into community property.
The trial court adopted the joint expert’s conclusion, bypassing any mathematical apportionment, and awarded the Wife a 50% community interest in all five commercial properties.
The Arizona Court of Appeals vacated the trial court’s ruling, declaring it an abuse of discretion.
Relying on established precedents (Cockrill and Rueschenberg), the appellate court ruled that before any funds can be deemed "transmuted" by commingling, a forensic expert must first mathematically apportion the profits of the separate-property business into community and separate buckets based on "individual toil" versus the "inherent qualities" of the business.
Conversely, the Husband’s independent expert (Chris Gorman, CFE, MAFF) correctly executed this deterministic workflow. He first allocated the distributions into community (65%) and separate (35%) percentages, and then systematically applied a pro-rata mathematical allocation to all transfers. The appellate court explicitly endorsed this rigorous, step-by-step mathematical approach, noting in Footnote 6:
Kim v. Pak perfectly illustrates the fatal danger of manual forensic accounting in high-conflict litigation. When faced with "PDFs from hell" and thousands of chaotic transactions, human experts are prone to skip rigorous apportionment, defaulting to the assumption that funds are "too commingled to trace."
Exit Protocol eliminates this vulnerability entirely: