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Created with Raphaël 2.1.0 01.04.2019 Formal examination (assignment of filing date) 23.04.2019 Preliminary examination 13.05.2019 Establishment of the national regular filing 13.05.2019 Substantive examination 31.07.2019 Publication of the decision of grant (B1) 31.01.2020 Completion of the opposition filing period 29.02.2020 Issuance of patent (C1) 01.04.2024 Valid until 25.08.2024 01.04.2025 Payment of maintenance fee 01.04.2039 Patent expiration date
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