Mühlbauer AG v Manufacturing Integration Technology Ltd: Patent Validity & Infringement

In Mühlbauer AG v Manufacturing Integration Technology Ltd, the Court of Appeal of Singapore heard an appeal regarding the validity and infringement of Singapore patent No 117982, owned by Mühlbauer AG, for a device inspecting and rotating electronic components. Manufacturing Integration Technology Ltd was alleged to have infringed the patent with its "CAERUS" device. The High Court had previously declared Mühlbauer AG's patent invalid for lacking novelty and an inventive step. The Court of Appeal allowed the appeal, finding the patent both novel and non-obvious.

1. Case Overview

1.1 Court

Court of Appeal

1.2 Outcome

Appeal Allowed

1.3 Case Type

Intellectual Property

1.4 Judgment Type

Grounds of Decision

1.5 Jurisdiction

Singapore

1.6 Description

The Court of Appeal addressed the validity and infringement of a patent for a device inspecting and rotating electronic components, focusing on novelty and inventive step.

1.7 Decision Date

2. Parties and Outcomes

Party NameRoleTypeOutcomeOutcome TypeCounsels
Mühlbauer AGAppellantCorporationAppeal AllowedWon
Manufacturing Integration Technology LtdRespondentCorporationAppeal DismissedLost

3. Judges

Judge NameTitleDelivered Judgment
Chao Hick TinJustice of the Court of AppealNo
Andrew Phang Boon LeongJustice of the Court of AppealYes
V K RajahJustice of the Court of AppealNo

4. Counsels

4. Facts

  1. Mühlbauer AG owns Singapore patent No 117982 for a device inspecting and rotating electronic components.
  2. Manufacturing Integration Technology Ltd was alleged to have infringed the patent with its "CAERUS" device.
  3. The "CAERUS" device infringes all 10 claims of the Patent.
  4. The patent describes a machine for inspecting, picking up, and placing electronic components onto printed circuit boards or tape and reel packaging.
  5. The device alternates between clockwise and anti-clockwise 180-degree rotations of the pivoting pickup heads.
  6. The patent operates with two pickup heads only.
  7. The patent includes claims for a method and process.

5. Formal Citations

  1. Mühlbauer AG v Manufacturing Integration Technology Ltd, Civil Appeal No 34 of 2009, [2010] SGCA 6
  2. Mühlbauer AG v Manufacturing Integration Technology Ltd, , [2009] SGHC 45

6. Timeline

DateEvent
Priority date of the Patent
ASA Patent published
ASA Patent granted
Patent filed in Singapore
Mühlbauer AG sent letter to Manufacturing Integration Technology Ltd
Judgment reserved
High Court Decision ([2009] SGHC 45)

7. Legal Issues

  1. Patent Infringement
    • Outcome: The court found that the patent was valid and therefore capable of being infringed.
    • Category: Substantive
  2. Patent Validity
    • Outcome: The court held that the patent was valid, reversing the High Court's decision.
    • Category: Substantive
    • Sub-Issues:
      • Lack of Novelty
      • Obviousness
  3. Novelty
    • Outcome: The court found that the patent was novel vis-à-vis the state of the art.
    • Category: Substantive
  4. Inventive Step
    • Outcome: The court found that the patent involved an inventive step over the state of the art.
    • Category: Substantive

8. Remedies Sought

  1. Declaration of Patent Infringement
  2. Injunction
  3. Damages

9. Cause of Actions

  • Patent Infringement

10. Practice Areas

  • Patent Litigation
  • Intellectual Property Litigation

11. Industries

  • Manufacturing
  • Technology
  • Semiconductor

12. Cited Cases

Case NameCourtAffirmedCitationJurisdictionSignificance
The General Tire & Rubber Company v The Firestone Tyre and Rubber Company Limited and OthersEnglish Court of AppealYes[1972] RPC 457England and WalesCited for the test for determining novelty in a patent under s 32(1)(e) of the Patents Act 1949 (c 87) (UK) in the case of anticipation by prior publication.
Merck & Co Inc v Pharmaforte Singapore Pte LtdCourt of AppealYes[2000] 2 SLR(R) 708SingaporeEndorsed the views of Sachs LJ in General Tire regarding the test for determining novelty.
Genelabs Diagnostics Pte Ltd v Institut Pasteur and anotherCourt of AppealYes[2000] 3 SLR(R) 530SingaporeEndorsed the views of Sachs LJ in General Tire regarding the test for determining novelty and held that the prior publication must not only identify the subject matter of the claim in the later patent but must also be an enabling disclosure.
Dextra Asia Co Ltd and another v Mariwu Industrial Co (S) Pte Ltd and another suitSingapore High CourtYes[2006] 2 SLR(R) 154SingaporeEndorsed the views of Sachs LJ in General Tire regarding the test for determining novelty.
Mariwu Industrial Co (S) Pte Ltd v Dextra Asia Co Ltd and anotherSingapore High CourtYes[2006] 4 SLR(R) 807SingaporeRelated proceedings
Dextra Asia Co Ltd and another v Mariwu Industrial Co (S) Pte LtdSingapore High CourtYes[2007] 3 SLR(R) 29SingaporeRelated proceedings
Trek Technology (Singapore) Pte Ltd v FE Global Electronics Pte Ltd and others and other suitsSingapore High CourtYes[2005] 3 SLR(R) 389SingaporeLaid down the principles for determining anticipation by the prior art.
FE Global Electronics Pte Ltd and others v Trek Technology (Singapore) Pte Ltd and another appealCourt of AppealYes[2006] 1 SLR(R) 874SingaporeAffirmed the principles laid down in Trek Technology for determining anticipation by the prior art.
SmithKline Beecham Plc’s (Paroxetine Methanesulfonate) PatentHouse of LordsYes[2006] RPC 10England and WalesClarified that the concepts of disclosure and enablement are distinct.
Ng Kok Cheng v Chua Say TiongSingapore High CourtYes[2001] 2 SLR(R) 326SingaporeDiscussed the ideas of obviousness and inventive concept.
Windsurfing International Inc v Tabur Marine (Great Britain) LtdEnglish Court of AppealYes[1985] RPC 59England and WalesEspoused the four-step test for inventiveness.
First Currency Choice Pte Ltd v Main-Line Corporate Holdings Ltd and another appealCourt of AppealYes[2008] 1 SLR(R) 335SingaporeDiscussed the concept of common general knowledge and acknowledged criticisms of the Windsurfing test.
Main-Line Corporate Holdings Ltd v Overseas Bank Ltd and anotherSingapore High CourtYes[2008] SGHC 55SingaporeRelated proceedings
Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd and another (First Currency Choice Pte Ltd, third party)Singapore High CourtYes[2010] 1 SLR 189SingaporeRelated proceedings
Main-Line Corporate Holdings Ltd v United Overseas Bank Ltd and anotherSingapore High CourtYes[2009] SGHC 212SingaporeRelated proceedings
DSM NV’s PatentEngland and WalesYes[2001] RPC 35England and WalesStated that by adopting the structured approach, one ensures that there is a measure of discipline, reasoning and method in one’s approach.
Vickers, Sons And Co, Limited v SiddellUnited KingdomYes(1890) 7 RPC 292England and WalesFormulated the test that an invention lacked an inventive step if what was claimed was so obvious that it would at once occur to anyone acquainted with the subject, and desirous of accomplishing the end.
Kirin-Amgen Inc v Hoechst Marion Roussel LtdHouse of LordsYes[2005] RPC 9England and WalesEndorsed adopting a “purposive construction” of patent claims so as to determine the essential features of any particular invention.
Catnic Components Limited and Another v Hill & Smith LimitedHouse of LordsYes[1982] RPC 183England and WalesObserved that a patent specification should be given a purposive construction rather than a purely literal one.
Merck & Co Inc v Pharmaforte Singapore Pte LtdSingapore High CourtYes[1999] 3 SLR(R) 1072SingaporeHeld that the purposive construction of patent claims was preferred as it balanced the rights of the patentee and those of third parties.
Panwah Steel Pte Ltd v Koh Brothers Building & Civil Engineering Contractor (Pte) LtdCourt of AppealYes[2006] 4 SLR(R) 571SingaporeThe nature of the argument is such that it ought to be considered by this court and would not, in any event, entail any adduction of further evidence of any kind.
Khoo Bee Keong v Ang Chun Hong and anotherSingapore High CourtYes[2005] SGHC 128SingaporeDiscussed the difficulties engendered by the issue of bias with regard to experts for the respective parties.
Whitehouse v JordanHouse of LordsYes[1981] 1 WLR 246England and WalesStated that the expert concerned has, in the final analysis, an overriding duty to objective justice and to the court.
Vita Health Laboratories Pte Ltd v Pang Seng MengSingapore High CourtYes[2004] 4 SLR 162SingaporeReference may be made, in addition, to O 40A r 3(2)(h) as well as the views of V K Rajah JC (as he then was) in the Singapore High Court decision of Vita Health Laboratories Pte Ltd v Pang Seng Meng [2004] 4 SLR 162 at [79]–[90].
Re J (Child Abuse: Expert Evidence)England and WalesYes[1991] FCR 193England and WalesExpert witnesses are in a privileged position; indeed only experts are permitted to give an opinion in evidence.
The Ikarian ReeferEnglish High CourtYes[1993] 2 Lloyd’s Rep 68England and WalesDetailed formulation of the duties of experts.
The Ikarian ReeferEnglish Court of AppealYes[1995] 1 Lloyd’s Rep 455England and WalesEndorsed (with one modification) on appeal: see per Stuart-Smith LJ, delivering the judgment of the English Court of Appeal in The Ikarian Reefer [1995] 1 Lloyd’s Rep 455 at 496.
Expert’s Duty to be Truthful in the Light of the Rules of CourtSingapore Academy of Law JournalYes(2004) 16 SAcLJ 407SingaporeDiscussed the expert's duty to be truthful.
The Expert in CourtLaw Quarterly ReviewYes(1983) 99 LQR 197England and WalesDiscussed the role of the expert in court.
Expert EvidenceModern Law ReviewYes(1947) 10 MLR 32England and WalesThe Court may be induced to believe the expert who has succeeded in putting forward his views in the most persuasive and plausible manner.
Asia Hotel Investments Ltd v Starwood Asia Pacific Management Pte LtdSingapore High CourtYes[2007] SGHC 50SingaporeFor the purposes of determining whether the evidence of an expert should be discounted, the relevant test is one of actual partiality, rather than merely the appearance of partiality.
Peng Lian Trading Co v Contour Optik Inc and othersCourt of AppealYes[2003] 2 SLR(R) 560SingaporeMade clear that it is permissible to construct a “mosaic” out of the various pieces of prior art in the inquiry for obviousness (i.e., an inventive step) – unless the act of “mosaicing” itself is not obvious to the notional skilled person.
Technograph Printed Circuits Ltd v Mills & Rockley (Electronics) LtdHouse of LordsYes[1972] RPC 346England and WalesThe “mosaic” must be one which is “put together by an unimaginative man with no inventive capacity”
ASM Assembly Automation Ltd v Aurigin Technology Pte Ltd and othersSingapore High CourtYes[2010] 1 SLR 1SingaporeThe “mosaic” must be one which is “put together by an unimaginative man with no inventive capacity”
Biogen Inc v Medeva PlcHouse of LordsYes[1997] RPC 1England and WalesWhenever anything inventive is done for the first time it is the result of the addition of a new idea to the existing stock of knowledge.
Generics (UK) Ltd v H Lundbeck A/SHouse of LordsYes[2009] RPC 13England and WalesMuch would, of course, depend on the precise facts of the case concerned itself.
Merrell Dow Pharmaceuticals Inc and Another v HN Norton & Co Ltd and OthersHouse of LordsYes[1996] RPC 76England and WalesThe disclosure in a patent claim must enable a “skilled person in the art” to make the invention.
Pozzoli SpA v BDMO SAEnglish Court of AppealYes[2007] FSR 37England and WalesPatentability is justified because the prior idea which was thought not to work must, as a piece of prior art, be taken as it would be understood by the person skilled in the art.
Non-Drip Measure Coy Ld v Stranger’s Ld and OthersUnited KingdomYes(1943) 60 RPC 135England and WalesNothing is easier than to say, after the event, that the thing was obvious and involved no invention.
Institut Pasteur v Genelabs Diagnostics Pte LtdSingapore High CourtYes[2000] SGHC 53SingaporeThe simplicity of the invention does not mean that the invention is obvious, or lacking in any inventive step.

13. Applicable Rules

Rule Name
O 40 r 1 of the Rules of Court (Cap 322, R 5, 2006 Rev Ed)
O 40A r 2 of the Rules of Court
O 40A r 3(2)(h)

14. Applicable Statutes

Statute NameJurisdiction
Patents Act (Cap 221, 2005 Rev Ed)Singapore
s 66(1)(a) of the Patents Act (Cap 221, 2005 Rev Ed)Singapore
s 13(1) of the Patents ActSingapore
s 14 of the Patents ActSingapore
s 15 of the Patents ActSingapore
s 72 of the Patents ActSingapore
s 77 of the Patents ActSingapore

15. Key Terms and Keywords

15.1 Key Terms

  • Patent
  • Infringement
  • Novelty
  • Inventive Step
  • Flip Chip
  • Die Bonder
  • Wafer
  • Pickup Head
  • Optical Inspection
  • Throughput
  • Pivoting Part
  • State of the Art
  • Purposive Construction

15.2 Keywords

  • patent
  • infringement
  • validity
  • novelty
  • inventive step
  • semiconductor
  • Singapore

17. Areas of Law

16. Subjects

  • Patent Law
  • Intellectual Property
  • Technology