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CHANCERY DIVISION
Strand, London, WC2A 2LL |
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B e f o r e :
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BAXTER HEALTHCARE CORPORATION BAXTER HEALTHCARE LIMITED |
Claimants |
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- and - |
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ABBOTT LABORATORIES CENTRAL GLASS COMPANY LIMITED |
Defendants |
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Simon Thorley QC and Justin Turner (instructed by Freshfield Bruckhaus Deringer) for the Defendants
Hearing date: 6th April 2006
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Crown Copyright ©
Mr Justice Pumfrey :
Introduction
"A method of preventing degradation by a Lewis acid of a quantity of sevoflurane, the method comprising the steps of:
providing a quantity of sevoflurane;
providing a Lewis acid inhibitor in an amount sufficient to prevent degradation of said quantity of sevoflurane by a Lewis acid; and
combining said quantity of sevoflurane and said Lewis acid inhibitor."
The Pleadings
"The Defendants raise no positive case of infringement within this action. The burden is on the Claimants to prove non-infringement of claims 2 to 4 of the patent."