|Source:||All England Reporter|
|Publisher Citation:|| All ER (D) 749|
|Court:||Court of Appeal, Civil Division|
Butler-Sloss, Aldous and Buxton LJJ
|Representation||David Kitchin QC and Iain Purvis (instructed by Clifford Chance) for Raychem.|
|Michael Silverleaf QC (instructed by Linklaters & Paines) for Bourne.|
|Judgment Dates:||17 December 1998|
Patents - Invalidity - Obviousness - Whether patents obvious.