Case Number: App_468677/2023 Patent number: EP2353080 - METHOD AND SYSTEM FOR PROVIDING A FEDERATED AUTHENTICATION SERVICE WITH GRADUAL EXPIRATION OF CREDENTIALSProceeding type: ApplicationAction/Application: Opt-outApplicants: Dennemeyer & Associates S.A. (LU) Represented by Ramona IordacheCourt Division: appealInstance - seat - LuxembourgDate of Formal receipt: 2023-06-02 10:20:46