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…

The Hague District Court nullified Sepracor’s patent for compositions for treating allergic disorders using (-) cetirizine (levociterizine) on the basis of lack of inventive step. The Court considered that the person skilled in the art knows that the pharmaceutical efficacy of a racemic mixture generally can be attributed to one of the enantiomers. At the…

For an invention to be considered obvious it is usually necessary that there are additional incentives that go beyond the identification of the technical problem and lead the person skilled in the art to search the solution for this technical problem on the path of the invention. A full summary of this case has been…