Patents were challenged which were for mechanisms for protecting from the effects of acid in the stomach of drugs which required to be delivered to the intestine, but delivered orally The challengers claimed that the claims were obvious. The layers of chemicals used to coat the drugs would have been known.
Held: The claims were indeed obvious on the facts. The different layers would have been expected to produce an unwelcome interaction, and therefore required an intermediate barrier layer. The challenge succeeded.
Judges:
The Honourable Mr Justice Laddie
Citations:
[2002] EWHC 309 (Ch)
Links:
Jurisdiction:
England and Wales
Citing:
Appealed to – Cairnstores Ltd Generics (UK) Ltd and Another v Aktiebolaget Hassle CA 22-Oct-2002
Two patents had been invaildated for obviousness. They related to coatings on medicinal pills. The patent holder said the judge’s interruptions indicated bias.
Held: The sumissions were unjustified. The interventions were by no means . .
Cited by:
Appeal from – Cairnstores Ltd Generics (UK) Ltd and Another v Aktiebolaget Hassle CA 22-Oct-2002
Two patents had been invaildated for obviousness. They related to coatings on medicinal pills. The patent holder said the judge’s interruptions indicated bias.
Held: The sumissions were unjustified. The interventions were by no means . .
Lists of cited by and citing cases may be incomplete.
Intellectual Property
Updated: 15 April 2022; Ref: scu.167730
