| Supplement to OJ 1-2/1989 Decision of the President of the European Patent Office dated 5 January 1989 revising the equivalents of the fees, costs and prices in the currencies of certain Contracting States | |
| Supplement to OJ 9/1989 EPO BOARD OF APPEAL CASE LAW IN 1988 | |
| Supplement to OJ 12/1989 Notice from the European Patent Office dated 15 November 1989 concerning the representation of nucleotide and amino acid sequences In patent applications | |
| Supplement No. 2 to OJ 12/1989 Decision of the President of the European Patent Office dated 3 November 1989 laying down the equivalents of the fees, costs and prices in Danish kroner (DKK) | |
