Teva Pharmaceuticals and Boehringer Ingelheim in patent dispute

Norton (Waterford) Ltd, trading as Teva Pharmaceuticals Ireland, wants the High Court to order the revocation of a patent issued to Boehringer Ingelheim International GMBH.
The same patent protects Boehringer’s ‘Spiriva’ product which is used with its ‘Handihaler’ inhalation device, Teva claims.