Case Number: App_471178/2023 Patent number: EP3813981 - FILTER DEVICE AND METHOD FOR INSTALLING SUCH FILTER DEVICEProceeding type: ApplicationAction/Application: Opt-outApplicants: Dennemeyer & Associates S.A. (LU) Represented by Daniel Johannes DiwoCourt Division: appealInstance - seat - LuxembourgDate of Formal receipt: 2023-06-02 14:45:42