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Created with Raphaël 2.1.0 04.04.2019 Formal examination (assignment of filing date) 03.05.2019 Preliminary examination 23.08.2019 Establishment of the national regular filing 23.08.2019 Substantive examination 30.04.2020 Publication of the decision of grant (B1) 31.10.2020 Completion of the opposition filing period 31.01.2021 Issuance of patent (C1) 04.04.2024 Valid until 27.07.2024 04.04.2025 Payment of maintenance fee 04.04.2039 Patent expiration date
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