1. Language of filing of a European patent application

Art. 14(2) EPC requires that a European patent application is filed in one of the official languages of the EPO - i.e. English, French or German (Art. 14(1) EPC) - or, if filed in any other language, translated into one of the official languages. It is therefore possible to file an application in any language, in compliance with Art. 5 PLT, which states that, for the purpose of obtaining a filing date, a description of the invention in a language of the applicant's choice must be accepted. If a required translation is not filed in due time (see R. 6(1), 58 EPC), the application shall be deemed to be withdrawn (Art. 14(2) EPC).

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