||All England Reporter
|| All ER (D) 411 (Oct)
||David Kitchin QC and Daniel Alexander (instructed by Bird & Bird) for the claimant.
||Antony Watson QC and Richard Meade (instructed by Blair & Co) for the defendant.
||28 October 2002
Patents - Infringement - Estoppel - American doctrine of 'prosecution history estoppel'.
Reliance by the claimant upon the doctrine of equivalents was precluded by the US doctrine of patent law 'prosecution history (colloquially file wrapper) estoppel'.
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