Questione giuridica chiave
Whether the appellant could invoke freedom of association and strike freedom to challenge the access ban.
Decisione estratta
He lacked standing because he was not an employee of the company and the asserted union interests were not his own directly protected interests.
Motivazione estratta
Article 28 BV protects collective union activity, but the appellant had no employment relationship with the respondent and could not claim a personal, directly affected constitutional position; the alleged issue also concerned the union, not him individually.