AstraZeneca v Sanofi-Aventis: Patent Infringement, Medicines Act & Pharmaceutical Compositions

AstraZeneca AB (SE) sued Sanofi-Aventis Singapore Pte Ltd in the High Court of Singapore, alleging infringement of Singapore Patent No SG 89993 related to pharmaceutical compositions. Sanofi-Aventis applied for further particulars of AstraZeneca's Statement of Claim. The court, presided over by Justin Yeo AR, allowed the application in part, ordering AstraZeneca to provide more specific details regarding the alleged infringement to ensure a fair trial and prevent unnecessary costs, particularly given the implications of the Medicines Act on product licensing.

1. Case Overview

1.1 Court

High Court

1.2 Outcome

Application allowed in part. AstraZeneca was ordered to provide further particulars regarding its patent infringement claim.

1.3 Case Type

Intellectual Property

1.4 Judgment Type

Grounds of Decision

1.5 Jurisdiction

Singapore

1.6 Description

AstraZeneca sues Sanofi-Aventis for patent infringement under the Medicines Act. The court orders AstraZeneca to provide further particulars.

1.7 Decision Date

2. Parties and Outcomes

Party NameRoleTypeOutcomeOutcome TypeCounsels
AstraZeneca AB (SE)PlaintiffCorporationApplication allowed in partPartial
Sanofi-Aventis Singapore Pte LtdDefendantCorporationApplication allowed in partPartial

3. Judges

Judge NameTitleDelivered Judgment
Justin YeoAssistant RegistrarYes

4. Counsels

4. Facts

  1. AstraZeneca owns Singapore Patent No SG 89993 for pharmaceutical compositions.
  2. The patent relates to compositions comprising rosuvastatin and an inorganic salt.
  3. Sanofi-Aventis applied for product licenses for Rosucard Film-coated Tablets.
  4. AstraZeneca alleges Sanofi-Aventis's products infringe its patent.
  5. Sanofi-Aventis sought further particulars of AstraZeneca's infringement claim.
  6. The court had previously ordered Sanofi-Aventis to provide product descriptions to AstraZeneca.

5. Formal Citations

  1. AstraZeneca AB (SE) v Sanofi-Aventis Singapore Pte Ltd, Suit No 416 of 2011 (Summons No 471 of 2013), [2013] SGHCR 7
  2. AstraZeneca AB (SE) v Sanofi-Aventis Singapore Pte Ltd, , [2012] SGHC 16

6. Timeline

DateEvent
Sanofi-Aventis submitted applications to the Health Sciences Authority for product licenses.
AstraZeneca was served with a Notice to Proprietor of Patent.
AstraZeneca commenced action seeking declaration of infringement.
AstraZeneca filed an amended Statement of Claim (Amendment No 1).
Court allowed AstraZeneca's application for discovery of the Product Descriptions.
Sanofi-Aventis requested further and better particulars from AstraZeneca.
Decision Date

7. Legal Issues

  1. Patent Infringement
    • Outcome: The court ordered the plaintiff to provide further particulars regarding the alleged infringement.
    • Category: Substantive
    • Sub-Issues:
      • Scope of patent claims
      • Interpretation of patent specifications
      • Application of Medicines Act
  2. Particulars of Pleadings
    • Outcome: The court partially granted the defendant's application for further and better particulars.
    • Category: Procedural
    • Sub-Issues:
      • Sufficiency of particulars
      • Claim construction
      • Disclosure requirements

8. Remedies Sought

  1. Declaration of Infringement
  2. Injunction

9. Cause of Actions

  • Patent Infringement

10. Practice Areas

  • Patent Litigation
  • Commercial Litigation

11. Industries

  • Pharmaceutical

12. Cited Cases

Case NameCourtAffirmedCitationJurisdictionSignificance
AstraZeneca AB (SE) v Sanofi-Aventis Singapore Pte LtdHigh CourtYes[2012] SGHC 16SingaporeCited for the holding that section 12A of the Medicines Act creates a cause of action independent from a patent infringement action under the Patents Act.
Wenham Co Ltd v Champion Gas Lamp Co Ltd and Todlenhaupt and CoHigh CourtYes[1891] 8 RPC 22England and WalesCited as the locus classicus for the traditional position that a patentee is not ordered to give particulars of the construction which the patentee proposes to put on the patent claims.
Marsden v Albrecht and AlbrechtCourt of AppealYes(1910) 27 RPC 785England and WalesCited for the principle that a plaintiff must inform the defendants of sufficient particulars such that the defendants would know the case that he was going to make.
Aktiengesellschaft Für Autogene Aluminium Schweissung v London Aluminium Company, LimitedCourt of AppealYes[1919] 2 Ch 67England and WalesCited for the function of particulars of breaches is to point out to the defendant what specific act on his part was complained of so as to prevent surprise at trial.
J K Smit & Sons of Canada Ltd v Fastcut Bits LtdOntario Supreme CourtYes[1949] 9 CPR 138CanadaApplied the principles from Marsden regarding the requirements for particulars in patent infringement cases.
Unifloc Reagents Ltd v Newstead Colliery LtdN/AYes(1943) 60 RPC 165England and WalesCited to show discontent with the rule requiring parties to construct their claims.
Lux Traffic Controls Limited v The Staffordshire Public Works Company LimitedPatents CourtYes[1991] 4 RPC 73England and WalesCited for the principle that particulars will not be ordered of construction of a patent claim.
Novartis AG, Ciba Vision AB v Johnson & Johnson Medical LimitedPatents CourtYes[2008] EWHC 293 (Pat)England and WalesCited as an instructive case where the Patents Court ordered the provision of particulars in response to the defendant’s request for information concerning the construction of the patent in the suit.
John Zink Co Ltd v WilkinsonN/AYes[1973] RPC 717England and WalesCited for the principle that in actions for breach of confidence, extra care must be taken to ensure clear particularisation.
Chiarapurk Jack v Haw par Brothers International LtdN/AYes[1993] 2 SLR(R) 620SingaporeCited for the principle that in actions for breach of confidence, extra care must be taken to ensure clear particularisation.
Ocular Sciences Ltd v Aspect Vision Care LtdN/AYes[1997] RPC 289England and WalesCited for the principle that courts are careful to ensure that breach of confidence claims are not used to oppress and harass competitors.
Haslam & Co v HallN/AYes(1887) 4 RPC 203England and WalesCited for the principle that there is no objection to the patentee stating that he relies on all the claims in his patent.

13. Applicable Rules

Rule Name
No applicable rules

14. Applicable Statutes

Statute NameJurisdiction
Rules of CourtSingapore
Medicines ActSingapore
Patents ActSingapore

15. Key Terms and Keywords

15.1 Key Terms

  • Patent
  • Infringement
  • Pharmaceutical composition
  • Rosuvastatin
  • Inorganic salt
  • Particulars
  • Medicines Act
  • Product license
  • Stabilising agent

15.2 Keywords

  • patent infringement
  • pharmaceutical
  • rosuvastatin
  • medicines act
  • particulars

17. Areas of Law

16. Subjects

  • Patent Law
  • Civil Procedure
  • Intellectual Property