Aerotel v. Wavecrest, Court of Appeal Civil Division (Court of Appeal Civil Division), 20 May 2009
The Court of Appeal upheld the High Court’s finding that Aerotel’s Patent relating to a method of making pre-paid landline telephone calls was invalid for want of inventive step over the principal prior art (the WATS system). Having made this finding it was unnecessary to consider Aerotel’s other grounds of appeal.Further, Aerotel’s arguments of commercial…