Joined Cases 64 and 113/76, 167 and 239/78, 27, 28 and 45/79, Dumortier Frères and others v. Council of the European Communities. Judgment of 4 October 1979& - Common Market Law Review View Joined Cases 64 and 113/76, 167 and 239/78, 27, 28 and 45/79, Dumortier Frères and others v. Council of the European Communities. Judgment of 4 October 1979& by - Common Market Law Review Joined Cases 64 and 113/76, 167 and 239/78, 27, 28 and 45/79, Dumortier Frères and others v. Council of the European Communities. Judgment of 4 October 1979& 18 3 Common Market Law Review