This patent trial involved three separate patents, all of which were concerned with the control systems of wind energy systems i.e. wind turbines and the interaction between such turbines and the electrical grids to which they are connected. The requirements of the network operator in relation to the behaviour of various types of generation under fault conditions and under varying load conditions was central to the dispute. The case covered a multitude of construction issues, as well as issues of infringement, obviousness, anticipation, insufficiency, and added matter. James Mellor QC and Henry Ward acted for Mr Wobben, the Claimant. The trial was heard over June and July 2007 with judgement delivered in November 2007.
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