1.2.3 Description and claims
If the description and/or claims contain(s) technical or non-technical terms in a language other than the language of the proceedings, the EPO will assess whether the use of these terms is common or standard in the relevant technical field. In such a case, no translation will be required.
Otherwise, the applicant will be invited by the EPO as receiving Office to submit a request for rectification under Rule 91 (see GL/PCT‑EPO A‑VII, 1.2.3.1).