| Supplement to OJ 5/1988 Guidance for the payment of fees, costs and prices | HTML | |
| Supplement to OJ 10/1988 Guidance for the payment of fees, costs and prices – Fees payable to the EPO for international applications upon commencement of the 'regional phase' (Euro-PCT applications) | HTML | |
| Supplement to OJ 11/1988 Vacancy and Organisation Structure of EPO | HTML | |
| Special Edition to OJ EPO 1988: EPO Board of Appeal Case Law in 1987 | HTML |
