Article 13
Disputes between the Organisation and the employees of the European Patent Office

(1) Employees and former employees of the European Patent Office or their successors in title may apply to the Administrative Tribunal of the International Labour Organization in the case of disputes with the European Patent Organisation, in accordance with the Statute of the Tribunal and within the limits and subject to the conditions laid down in the Service Regulations for permanent employees or the Pension Scheme Regulations or arising from the conditions of employment of other employees. 

(2) An appeal shall only be admissible if the person concerned has exhausted such other means of appeal as are available to him under the Service Regulations, the Pension Scheme Regulations or the conditions of employment.