Ranbaxy Laboratories Ltd & Ors -v- Warner Lambert Company [2007] IEHC 256 (10 July 2007)

Ranbaxy Laboratories Ltd & Ors -v- Warner Lambert Company [2007] IEHC 256 (10 July 2007)

The patent, properly construed in accordance with purposive construction and business common sense, covers not only racemic mixtures but also individual R-trans and S-trans enantiomers and any mixture thereof. Ranbaxy's product falls within the scope of Warner-Lambert's Irish Patent No. 60014.

Source-derived case information.

Citation
[2007] IEHC 256
Parties
Plaintiff: Ranbaxy Laboratories Limited; Plaintiff: Ranbaxy Europe Limited; Plaintiff: Ranbaxy Ireland Limited; Defendant: Warner-Lambert Company
Jurisdiction
Ireland
Judgment Date
10 July 2007
Procedural Posture
Patent Declaration / Final Judgment
Outcome
application dismissed
Legal Topics
Patent Construction, Pharmaceutical Patents, Statins, Enantiomers, Racemic Mixtures
Intellectual Property Patents Patent Construction Pharmaceutical Patents Statins Enantiomers Racemic Mixtures

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Parties

Ranbaxy Laboratories Limited

Plaintiff

Ranbaxy Europe Limited

Plaintiff

Ranbaxy Ireland Limited

Plaintiff

Warner-Lambert Company

Defendant

Procedural Posture

Patent Declaration / Final Judgment

Legal Issues

  1. 1 Whether Ranbaxy's manufacture/import/sale of atorvastatin calcium infringes Warner-Lambert's Irish Patent No. 60014
  2. 2 Proper construction of Warner-Lambert's patent claims—does the patent cover only racemic mixtures or also individual enantiomers and non-racemic mixtures

Ratio Decidendi

The patent, properly construed in accordance with purposive construction and business common sense, covers not only racemic mixtures but also individual R-trans and S-trans enantiomers and any mixture thereof. Ranbaxy's product falls within the scope of Warner-Lambert's Irish Patent No. 60014.

Court Disposition

application dismissed

Orders

  • Declaration sought by Ranbaxy refused
  • Ranbaxy's manufacture/import/sale of atorvastatin calcium would infringe Warner-Lambert's Irish Patent No. 60014