Belgium welcomes its first enantiomer decision
In a judgment of 11 December 2009, the Commercial Court of Antwerp invalidated the Belgian part of EP 0 663 828 of Sepracor for lack of inventive step. This patent claims the use of the active substance levociterizine, an enantiomer which is used for the treatment of allergic rhinitis and asthma, and commercialized as “Xysal”. …