Appeal brought on 20 March 1998 by the NutraSweet Company against the judgment delivered on 18 December 1997 by the Fifth Chamber (Extended Composition) of the Court of First Instance of the European Communities in joined Cases T-159/94 between Ajinomoto Co. Inc. and the Council of the European Union, supported by the Commission of the European Communities, and T-160/94 between The NutraSweet Company and the Council of the European Union, supported by the Commission of the European Communities (Case C-77/98 P)