Enforcement of employee's labor law claims against employer dismissed due to lack of substantive merit

The Federal Labour Court (BAG) overturned the lower court's judgment and dismissed the employee-plaintiff's claim, resulting in a victory for the employer-defendant. The dispute concerned a civil labor lawsuit in which the employee sought to enforce contractual or statutory employment rights, which the employer contested. While the specific statutory provisions are not detailed in the provided excerpt, the decision rests on the BAG's application of substantive labor law principles to reject the employee's legal basis, thereby upholding the employer's position and leaving no favorable judgment in force for the plaintiff.