The merger was prohibited by the European Commission on the grounds that both Tetra Pak and Sidel were market leaders in their fields and operated in related business areas. The European Court of Justice eventually ruled in favour for Tetra Laval in a high-profile case. The Tetra Laval Group is controlled by the holding company Tetra Laval International, whose board of directors include the three children of Gad Rausing.
The merger was blocked by the European Commission because both Tetra Pak and Sidel were market leaders in their industries and operated in related fields. In a high-profile case, the European Court of Justice ruled in favor of Tetra Laval. The Tetra Laval Group is managed by Tetra Laval International Holding Company, which has Gad Rausing's three children on its board.