Case Number: App_463990/2023 Patent number: EP3664915 - FILTER CARTRIDGES; AIR CLEANER ASSEMBLIES; HOUSINGS; FEATURES; COMPONENTS; AND, METHODSProceeding type: ApplicationAction/Application: Opt-outApplicants: Eisenführ Speiser Patentanwälte Rechtsanwälte PartGmbB Represented by Lars BirkenCourt Division: appealInstance - seat - LuxembourgDate of Formal receipt: 2023-06-01 13:38:36