Parfums Marcel Rochas Vertriebs-GmbH, Munich v. Helmut Bitsch, Breisach/Rhein. Case 1/70. Decision of June 30, 1970. Preliminary ruling on request of the Oberlandesgericht in Karl - Common Market Law Review View Parfums Marcel Rochas Vertriebs-GmbH, Munich v. Helmut Bitsch, Breisach/Rhein. Case 1/70. Decision of June 30, 1970. Preliminary ruling on request of the Oberlandesgericht in Karl by - Common Market Law Review Parfums Marcel Rochas Vertriebs-GmbH, Munich v. Helmut Bitsch, Breisach/Rhein. Case 1/70. Decision of June 30, 1970. Preliminary ruling on request of the Oberlandesgericht in Karl 8 2 Common Market Law Review