According to rule 107 of the European Patent Convention (EPC) Implementing Regulations (IR),
(1) The petition for review shall contain:
(a) the name and the address of the petitioner including the name, address and nationality of the applicant and the State in which his residence or principal place of business is located.
(b) an indication of the decision to be reviewed.
(2) The petition shall indicate the reasons for setting aside the decision of the Board of Appeal, and the facts and evidence on which the petition is based.