Case 71/76, Jean Thieffry v. Conseil de I'Ordre des Avocats à. la Cour de Paris. Preliminary ruling of 28 April 1977 at the request of the Cour d'Appel, Paris. (1977) ECR 767 - Common Market Law Review View Case 71/76, Jean Thieffry v. Conseil de I'Ordre des Avocats à. la Cour de Paris. Preliminary ruling of 28 April 1977 at the request of the Cour d'Appel, Paris. (1977) ECR 767 by - Common Market Law Review Case 71/76, Jean Thieffry v. Conseil de I'Ordre des Avocats à. la Cour de Paris. Preliminary ruling of 28 April 1977 at the request of the Cour d'Appel, Paris. (1977) ECR 767 15 3 Common Market Law Review