III. Rules common to all proceedings before the EPO
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F. Languages

Overview

F. Languages

1.Language of filing and date of filing of a European patent application
2.Language of the proceedings
3.Derogations from the language of the proceedings in written proceedings and in oral proceedings
4.Language privilege
5.Translations

6.Language-related fee reductions

6.1.European patent application
6.2.Request for examination

The central provisions of the language regime of the EPC are to be found in Art. 14 EPC and R. 3 to 7 EPC.

Attention is also drawn to the EPC Guidelines, A‑VII and EPC Guidelines E‑V – April 2025 version.

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