Case Number: App_359422/2023 Patent number: EP3308662 - FACE MASK STRUCTUREProceeding type: ApplicationAction/Application: Opt-outApplicants: LangPatent Anwaltskanzlei IP Law Firm Represented by Gregor Kurt RösslingCourt Division: appealInstance - seat - LuxembourgDate of Formal receipt: 2023-06-01 17:46:13