Case C-184/89, Helga Nimz v. Freie und Hansestadt Hamburg, Judgment of 7 February 1991 (sixth chamber). Indirect discrimination on grounds of sex in collective - Common Market Law Review View Case C-184/89, Helga Nimz v. Freie und Hansestadt Hamburg, Judgment of 7 February 1991 (sixth chamber). Indirect discrimination on grounds of sex in collective by - Common Market Law Review Case C-184/89, Helga Nimz v. Freie und Hansestadt Hamburg, Judgment of 7 February 1991 (sixth chamber). Indirect discrimination on grounds of sex in collective 29 3 Common Market Law Review