The issues
11. The broad issues were: (1)Infringement, which turned on a point of construction. (2)Novelty over either of two items of prior art: (a) PCT Application no. WO 96/30277 (“Rødsten”), and (b) PCT Application no. WO 97/26937 (“Israelsson”). (3)Inventive step over the prior art relied on for lack of novelty and one further citation: (c) Japanese patent no. JP-A-55-012265 (“Shibatani”) (4)Insufficiency.