Teva v. Sepracor, Antwerp Commercial Court (Rechtbank van Koophandel Antwerpen), 11 December 2009
This matter concerns levocetirizine, which is an enantiomer of cetirizine. The Court held that, at the priority date, it would have been obvious to the skilled person to check whether levocetirizine (which had been individually disclosed before the priority date) had improved pharmacological characteristics compared to the racemic mixture (i.e. cetirizine). As a rule, resolving…