Abstract Patents – Swiss-form claims – Pregabalin – Use in the manufacture or preparation of a medicament for the treating of pain – Construction – Validity – Infringement – Meaning of “for treating” neuropathic pain – Whether central neuropathic pain included – Insufficiency – Biogen insufficiency – Plausibility – Whether plausibility required across full width of claim – Nature of the plausibility requirement – Direct infringement under s.60(1)(b) – Whether intention a necessary element – Nature of the infringement test in relation to claims in Swiss form – Manufacturer liability – “Downstream” liability – Whether subjective intention required – Reasonable foreseeability – The role of packaging – Indirect infringement – Amendment – Post-trial validating amendments – Abuse of process – Discretion – Appeal to Supreme Court