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5.5.3 Rules of construction for a patent specification

Date Published

The following sections cover the Rules of Construction for a patent specification which were summarised by Sheppard J  in Décor Corp v Dart Industries 13 IPR 385 at 400. This summary has been referred to in numerous subsequent judgements and was endorsed by the Full Federal Court in Pfizer Overseas Pharmaceuticals v Eli Lilly [2005] FCAFC 224.