| Supplement to OJ 3/1990 Decision of the President of the European Patent Office dated 21 February 1990 laying down the equivalents of the fees, costs and prices in the currencies of certain Contracting States | |
| Supplement to OJ 6/1990 EPO BOARD OF APPEAL CASE LAW IN 1989 | |
| Supplement to OJ 12/1990 FEES | |
