Case C-198/03 P: Appeal brought on 12 May 2003 by the Commission of the European Communities against the judgment delivered on 26 February 2003 by the Second Chamber of the Court of First Instance of the European Communities in Joined Cases T-344/00 and T-345/00 between CEVA Santé animale SA and Pharmacia Entreprises SA, supported by Fédération européenne de la santé animale (Fedesa), and the Commission of the European Communities