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Court of Appeal Wellington
26, 27, 28 June; 17 July 2000
Gault, Henry and Thomas JJ
26, 27, 28 June; 17 July 2000
Gault, Henry and Thomas JJ
Patents — Revocation — Obviousness — Test for obviousness — Determining the inventive step — Whether to be determined by reference solely to scientific knowledge — Importance of market developments — Patents Act 1953, ss 41(1)(e) and (f).
Patents — Amendment — Procedure for application to amend patent — Whether effect of order for revocation should be delayed while application for amendment pursued — Patents Act 1953, ss 39 and 40(1).