The correction of linguistic errors, errors of transcription and other mistakes in any document filed with the EPO may in principle be requested as long as proceedings are pending before the EPO (J 42/92). However, during examination proceedings, such requests for correction can be considered only if the decision-making process has not yet been concluded, in other words until the day on which the decision to grant is handed over to the EPO's internal postal service for transmittal to the applicant (see G 12/91; date "to EPO postal service" printed at the bottom of Form 2006A). See also H‑II, 2.6, last paragraph.
Moreover, other time limitations apply to requests under Rule 139: