Over 1.8 Billion KRW in Unpaid Agency Fees Recovered — Exhaustive Evidence Collection Breaks Through Developer's Bad-Faith Defence

27 Feb 2026

Over 1.8 Billion KRW in Unpaid Agency Fees Recovered — Exhaustive Evidence Collection Breaks Through Developer's Bad-Faith Defence


Case Type : Sales Agency Fee Claim · Unpaid Service Contract Dispute Outcome : Partial Victory — approximately 1.82 billion KRW awarded out of approximately 1.89 billion KRW claimed (96% recovery) Handled by : Law Firm Jinheon


Case at a Glance

Our client operated a real estate sales agency and had performed years of work under a sales agency contract with a property developer — only to find the developer refusing to pay the agreed fees, leaving our client facing severe financial losses. The developer contested the very fact that the services had been properly rendered, and proving the causal link between our client's agency services and the actual sales outcomes presented a formidable legal challenge. Law Firm Jinheon obtained years of trust account transaction records through a court order for financial information disclosure, retrieved and analysed the registry records for hundreds of individual units, and systematically compiled every communication between the parties — securing an award of approximately 1.82 billion KRW, representing 96% of the total amount claimed.


1. Why the Client Came to Law Firm Jinheon

Our client had entered into a sales agency contract with a property developer and performed the agreed services diligently over a number of years. The developer repeatedly delayed and ultimately refused to pay the agency fees owed. With losses mounting, our client came to Law Firm Jinheon. The amount in dispute ran to approximately 1.89 billion KRW. The developer was contesting whether the services had been properly delivered at all — a bad-faith position that left our client needing to prove, in court, not only what had been done but that it had made a difference.


2. Law Firm Jinheon's Legal Strategy

Two obstacles defined this case. The first was breaking through the developer's bad-faith denial of the services rendered. The second was proving the causal link between our client's agency services and the actual sales results — a notoriously difficult element to establish in sales agency disputes.


Law Firm Jinheon built the case around four interlocking lines of evidence.


First, we conducted a detailed review of the sales agency contract and supplementary agreements to define the precise scope of services provided. We established clearly what our client had contracted to deliver, and systematically demonstrated that everything within that scope had in fact been delivered — producing a structured account that directly addressed the developer's denials.


Second, we obtained years of trust account transaction records through a court order for financial information disclosure. The trust account into which sales proceeds were deposited is the most objective source of evidence of actual sales activity. Law Firm Jinheon deployed the legal mechanism of a financial information disclosure order to obtain the full transaction history spanning multiple years, then analysed those records in detail.


Third, we retrieved and analysed the land registry records for hundreds of individual units to prove that sales had been completed. By obtaining the registry entry for each unit sold and working through them systematically, we built a concrete, unit-by-unit factual record that established — with specific numbers and documented facts — that our client's services had produced the sales outcomes for which fees were owed.


Fourth, we compiled and organised every communication exchanged between the parties over the course of the engagement. Emails, text messages, and all other records of contact were collected without exception and reconstructed chronologically, providing an unbroken documented record of our client's diligent performance throughout the contract period.


3. The Outcome — 96% of Claimed Amount Awarded

The court accepted Law Firm Jinheon's arguments and evidence, ordering the developer to pay approximately 1.82 billion KRW out of the approximately 1.89 billion KRW claimed — a recovery rate of 96%. Despite the developer's sustained bad-faith resistance, the exhaustive evidence collection and systematic presentation produced a result that was, in practical terms, a complete victory.


4. Why This Case Matters — And Why Choose Law Firm Jinheon

Sales agency fee disputes are won or lost on evidence. The right to payment exists — but establishing that the services were rendered, and that they caused the sales results for which the fee is claimed, must be proven to a standard that satisfies the court. Without that proof, even the most legitimate claim will fail.


What Law Firm Jinheon demonstrated in this case was an unwillingness to stop short of the evidence needed to win. Retrieving registry records for hundreds of individual units one by one, obtaining years of trust account records through a financial disclosure order, and organising every communication over an extended engagement — this level of effort is not routine. The outcome of this case was built not on legal argument alone, but on the thoroughness of the evidence gathered to support it.


If you are owed unpaid sales agency fees by a developer who is refusing to pay, engage Law Firm Jinheon from the evidence gathering stage. The foundation you build there will determine what is recoverable in court.

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Business Name

Law Firm Jinheon

Tel

010-2386-3647

Advertising Attorney

Minyoung Shin

Address

16F, Unit 1608, 30 Munhyeongeumyung-ro,

Nam-gu, Busan, Korea



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