TY - GEN T1 - The European patent system :its effects upon patent flows / AU - Ohe, Werner D. Von Der, VL - 1985 Vol 7 No 3 pages 213-238 ID - 5315 KW - Patents KW - PATENTS : MULTILATERAL TREATIES : EUROPEAN PATENT OFFICE KW - COPYRIGHT SOCIETIES : SWITZERLAND TI - The European patent system :its effects upon patent flows / ER -