Judgment_paragraph 57 · Commission of the European Communities v AssiDomän Kraft Products AB, Iggesunds Bruk AB, Korsnäs AB, MoDo Paper AB, Södra Cell AB, Stora Kopparbergs Bergslags AB and Svenska Cellulosa AB (C-310/97 P)

57It is settled case-law that a decision which has not been challenged by the addressee within the time-limit laid down by Article 173 of the Treaty becomes definitive as against him (see, in particular, the judgment in Case 20/65 Collotti v Court of Justice [1965] ECR 847 and the judgment in TWD Textilwerke Deggendorf, cited above, at paragraph 13).