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Hong Kong Case Law

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Conflict of laws [2026] HKCFA 14

MAI, JIEPING TRADING AS FAI TAT RMB EXCHANGE v. WONG, CHI HUNG

The Court of Final Appeal dismissed an appeal over foreign illegality and held that a Hong Kong unjust enrichment claim can survive, subject to comity and rare exceptions.

  • Foreign illegality defence
  • Restitution for total failure of consideration
  • Comity
  • Range of factors approach
  • Stultification/backdoor enforcement
  • Foreign-illegality
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Unjust enrichment [2026] HKCFI 1956

YUEN YIU YAM v. WONG YIN LAM AND ANOTHER

The court held the borrowers were jointly liable for a HKD13 million loan, ordered contribution against the Ng group and Mrs Yuen, and awarded Mr Yuen sums withheld by Mr Wong.

  • Joint liability between co‑borrowers
  • Apportionment of repayment
  • Constructive trust and fiduciary duties
  • Agency
  • Pre‑judgment interest
  • Foreign judgment and res judicata
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Unjust enrichment [2026] HKCFI 1956

YAN CAIPING AND OTHERS v. WU MINGUANG AND OTHERS

The Court of First Instance held there was no proved investment agreement, but found the borrowers jointly liable to DDF and ordered contribution and repayment sums.

  • Joint liability of borrowers
  • Apportionment of repayment
  • Constructive trust for distributions
  • Pre-judgment interest
  • Foreign court judgments (pleading of foreign law)
  • Unjust-enrichment
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Contract law [2026] HKCFI 1483

IMPERIAL PACIFIC INTERNATIONAL (CNMI), LLC v. CHAN CHI HUNG

The court held that the defendant’s casino debts were governed by signed loan documents, rejected claims of gift and mistake, and entered judgment for the plaintiff.

  • Loan enforcement
  • Promissory note
  • Non-negotiable casino chips
  • Authority and apparent authority
  • Estoppel
  • Mistake
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Restitution [2026] HKDC 452

金子楷 對 格萊國際控股有限公司及另一人

The court found the HK$199,900 received by the second defendant was traceable to the plaintiff’s funds misappropriated by fraud, that the receipt constituted unjust enrichment, and the second defendant failed to prove she was a bona fide purchaser for value without notice; accordingly the second defendant was ordered to repay HK$199,900 with interest and to pay the plaintiff’s costs (subject to specified legal aid charge and assessment rules).

  • Bona fide purchaser for value without notice
  • Tracing of funds
  • Freezing/freeze orders
  • Interest on judgment debt
  • Credibility assessment
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Trusts [2026] HKCFA 9

EXCELLENCE RAISE OVERSEAS LIMITED, JOLLY ADMIRE LIMITED, HIGH EXPRESS HOLDINGS LIMITED v. ANZ COMMODITY TRADING PTY LTD

The Court of Final Appeal granted leave to appeal on constructive trust, rescission, and Halley issues arising from a fraud-related chain of commodity transactions.

  • Constructive trust
  • Rescission for fraud
  • Tracing of funds
  • Back-to-back contracts
  • Halley v law society exception
  • Pleading requirements
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Unjust enrichment [2025] HKDC 2029

LANTON NICOLE ELIZABETH v. SHU WENQIN

The District Court held that the plaintiff proved an online romance fraud and recovered HK$577,452 from the defendant on unjust enrichment and knowing receipt grounds.

  • Knowing receipt
  • Constructive trust
  • Change of position defence
  • Tracing
  • Online romance fraud
  • Bank transfers
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Trusts [2025] HKDC 1931

LAU PING LAM v. CHOI SAU POON AND ANOTHER

The District Court held that Lau’s October 2019 transfer to Cheung was a $2,000,000 gift, not a loan, and that the Canton Road Property was a gift to Choi.

  • Resulting trust
  • Gift versus loan
  • Proprietary estoppel/estoppel by representation
  • Duress
  • Credibility of witnesses
  • Remedies - declaration and costs
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Unjust enrichment [2025] HKDC 1925

ANNE FAN AND ANOTHER v. LING YACHAO

The District Court granted the plaintiffs summary relief over US$75,000 transferred by cyberfraud, ordering payment, constructive trust declarations, and costs against the 1st defendant.

  • Norwich pharmacal order
  • Garnishee
  • Declaratory relief
  • Summary judgment/originating summons
  • Interest and costs
  • Allocation of mixed funds
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Hong Kong decisions are organised by court, judge, legal area and indexed issue so a practitioner can move from a proposition to a citable authority with the surrounding context intact.