Main-Line Corp v UOB & First Currency Choice: Patent Infringement, Damages Assessment

In a case before the High Court of Singapore, Main-Line Corporate Holdings Ltd sued United Overseas Bank Ltd (UOB) and First Currency Choice Pte Ltd (FCC) for infringement of Singapore Patent No 86037. The court had previously found UOB and FCC liable for infringement. The current judgment concerns the assessment of damages. The Plaintiff elected an account of profits against UOB and damages against FCC. The court determined that UOB had already satisfied its liability through an interim payment. The court ordered FCC to pay damages of S$4,795,000 to the Plaintiff.

1. Case Overview

1.1 Court

High Court of the Republic of Singapore

1.2 Outcome

Judgment for Plaintiff against First Currency Choice Pte Ltd; No further award against United Overseas Bank Ltd.

1.3 Case Type

Intellectual Property

1.4 Judgment Type

Judgment

1.5 Jurisdiction

Singapore

1.6 Description

The High Court assessed damages for patent infringement by UOB and First Currency Choice, concerning dynamic currency conversion. The court determined the compensation.

1.7 Decision Date

2. Parties and Outcomes

3. Judges

Judge NameTitleDelivered Judgment
Tay Yong KwangJudge of AppealYes

4. Counsels

4. Facts

  1. The Plaintiff is the proprietor of Singapore Patent No 86037 titled “Dynamic Currency Conversion for Card Payment Systems”.
  2. The Defendants, UOB and FCC, were found to have infringed the Plaintiff’s patent.
  3. The Plaintiff elected an account of profits against UOB and damages against FCC.
  4. UOB and FCC entered into a multicurrency exchange agreement (MEA) on 11 October 2001.
  5. The estimated value of the total number of infringing transactions for the infringing period was S$627m.
  6. The infringing application of the Patent by the FCC system relocated the Uplift from the Issuer bank to the Acquirer bank, UOB.
  7. UOB received commissions from FCC under the MEA.

5. Formal Citations

  1. Main-line Corporation v United Overseas Bank Ltd and another, Suit No 806 of 2004 (Assessment of Damages No 23 of 2016), [2016] SGHC 285

6. Timeline

DateEvent
Priority date of the Patent
UOB entered into negotiations with the Plaintiff
Negotiations between UOB and the Plaintiff ended
UOB and FCC signed a multicurrency exchange agreement
FCC system first offered for use at UOB’s merchant outlets
No communication between UOB and Plaintiff until this date
UOB liable for infringement of the Patent from this date
Patent granted
Suit commenced against UOB and FCC
Trial on liability concluded, judgment given for the Plaintiff
UOB liable for infringement of the Patent until this date
Assessment Hearing commenced
Oral arguments heard
Judgment reserved

7. Legal Issues

  1. Patent Infringement
    • Outcome: The court found that First Currency Choice Pte Ltd infringed the Plaintiff's patent and was liable for damages.
    • Category: Substantive
    • Related Cases:
      • [2007] 1 SLR(R) 1021
      • [2008] 1 SLR(R) 335
  2. Assessment of Damages
    • Outcome: The court assessed the damages payable by First Currency Choice Pte Ltd to the Plaintiff at S$4,795,000.
    • Category: Substantive
    • Related Cases:
      • [1975] 1 WLR 819
  3. Account of Profits
    • Outcome: The court determined that United Overseas Bank Ltd had already satisfied its liability through an interim payment.
    • Category: Substantive
    • Related Cases:
      • [2015] 3 SLR 961
  4. Exemplary Damages
    • Outcome: The court dismissed the Plaintiff's claim for exemplary damages against First Currency Choice Pte Ltd.
    • Category: Substantive

8. Remedies Sought

  1. Account of Profits
  2. Damages
  3. Exemplary Damages

9. Cause of Actions

  • Patent Infringement

10. Practice Areas

  • Patent Infringement
  • Damages Assessment

11. Industries

  • Finance
  • Banking
  • Technology

12. Cited Cases

Case NameCourtAffirmedCitationJurisdictionSignificance
Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd and another (First Currency Choice Pte Ltd, third party)High CourtYes[2007] 1 SLR(R) 1021SingaporeEstablished UOB and FCC's liability for patent infringement.
First Currency Choice Pte Ltd v Main-Line Corporate Holdings Ltd and another appealCourt of AppealYes[2008] 1 SLR(R) 335SingaporeUpheld the High Court's finding of liability against UOB and FCC.
Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd and AnotherHigh CourtYes[2009] SGHC 212SingaporeSet aside the order for UOB to pay an interim payment.
Main-Line Corporate Holdings Ltd v United Overseas Bank LtdCourt of AppealYes[2010] 2 SLR 986SingaporeReversed the High Court's decision and ordered UOB to pay an interim payment to the Plaintiff.
Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd and another (First Currency Choice Pte Ltd, third party)High CourtYes[2010] 1 SLR 189SingaporeAllowed the Plaintiff's election of different remedies against UOB and FCC.
Bosch Corp v Wiedson International (S) Pte Ltd and others and another suitHigh CourtYes[2015] 3 SLR 961SingaporeCited for the principle that an account of profits is concerned with the actual profit made by the infringer and that profits can be reduced by deducting costs and expenses or by apportionment.
Main-Line Corporate Holdings Ltd v United Overseas Bank LtdHigh CourtYes[2011] SGHC 268SingaporeCited for the principle that profits that are accountable can be reduced by deducting costs and expenses and by apportionment of profits.
Celanese International Corp v BP Chemicals LtdEnglish Patents CourtYes[1999] RPC 203EnglandCited for the principle that the court is trying to find out what profits have been made in fact by the defendant, not the profits he could have made.
In re Charge Card Services LtdEnglish Court of AppealYes[1989] Ch 487EnglandCited to argue that there were separate and independent contracts in place between the parties in the Ecosystem.
Gerber Garment Technology Inc. v Lectra Systems Ltd and anotherCourt of AppealYes[1997] RPC 443EnglandCited for the principle that damages are intended to be compensatory.
General Tire & Rubber Co v Firestone Tyre & Rubber Co LtdHouse of LordsYes[1975] 1 WLR 819EnglandCited for the essential principles in valuing a claim for patent infringement.
Ong Seow Pheng and others v Lotus Development Corp and anotherCourt of AppealYes[1997] 2 SLR(R) 113SingaporeCited for the approval of the principles enunciated in General Tire.
Cordlife Group Ltd v Cryoviva Singapore Pte LtdSingapore High CourtYes[2016] SGHCR 5SingaporeCited for the observation that there is no general bar against an award of exemplary damages in Singapore.
Cassell & Co v Broome and anotherHouse of LordsYes[1972] AC 1027EnglandCited for the basis to seek exemplary damages from FCC on the basis that FCC made a calculated decision to infringe the Patent and did so with “guilty knowledge”.
Ramzam v Brookwide LimitedEngland and Wales Court of Appeal (Civil Division)Yes[2011] 2 All ER 38EnglandCited as an example of a case where exemplary damages are appropriate given FCC’s deliberate and contumelious disregard for the rights of the Plaintiff.
Paramount Pictures Corporation v HasluckAustralian Federal CourtYes[2006] FCA 1431AustraliaCited for the argument that if Parliament intended for there to be exemplary damages for patent infringement, it would have introduced an equivalent section in the Patents Act.
Catnic Components Ltd and another v Hill & Smith LtdHigh CourtYes[1983] FSR 512EnglandCited as binding authority in Singapore as it was delivered before the repeal of s 5 of the Civil Law Act.
Rookes v BarnardHouse of LordsYes[1964] AC 1129EnglandCited as the landmark case before which exemplary damages had never been awarded for patent infringement.
Kuddus v Chief Constable of Leicestershire ConstabularyHouse of LordsYes[2002] 2 AC 122EnglandCited as a subsequent development in English law doubting the decision in Catnic.
Autodesk Inc, Autodesk Australia Pty Limited, Microsoft Corporation and Microsoft Pty Limited v Michael Yee and Peter LeungFederal Court of AustraliaYes(1996) 139 ALR 735AustraliaCited for the interpretation of the Australian Copyright Act 1968.
Li Siu Lun v Looi Kok Poh and anotherCourt of AppealYes[2015] 4 SLR 667SingaporeCited for the repeated approval of the categories set out in Rookes v Barnard by the local courts.

13. Applicable Rules

Rule Name
No applicable rules

14. Applicable Statutes

Statute NameJurisdiction
Patents Act (Cap 221, 2005 Rev Ed)Singapore
Copyright Act (Cap 63, 2006 Rev Ed)Singapore
Application of English Law Act (Cap 7A, 1994 Rev Ed)Singapore

15. Key Terms and Keywords

15.1 Key Terms

  • Dynamic Currency Conversion
  • Patent Infringement
  • Account of Profits
  • Damages Assessment
  • Multicurrency Exchange Agreement
  • Uplift
  • Settlement Proceeds
  • Merchant Discount Rate
  • Interchange Reimbursement Fee
  • Ecosystem

15.2 Keywords

  • patent infringement
  • damages
  • dynamic currency conversion
  • account of profits
  • UOB
  • First Currency Choice
  • Singapore
  • intellectual property

17. Areas of Law

16. Subjects

  • Patent Law
  • Intellectual Property
  • Banking
  • Finance