Practice – Pre-trial or post-judgment relief. The claimant brought proceedings against various defendants, including Siemens Public Ltd Company, alleging infringement a patent concerning a method of operating a pitch-controlled wind turbine. The claimant applied for an order that Siemens provide it with, among other things, information as to its customers within the jurisdiction of the court. The Patents Court held that the balance of justice was in favour of making a Norwich Pharmacal order for disclosure.