TY - GEN AU - Cornish, William R., ID - 1358 KW - Patents KW - Industrial property KW - PATENTS : PATENTABILITY KW - PRICING KW - MARKET POWER : DOMINANCE : INTELLECTUAL PROPERTY RIGHTS T1 - The essential criteria for patentability of European inventions :novelty and inventive step / TI - The essential criteria for patentability of European inventions :novelty and inventive step / VL - 1983 Vol 14 No 6 pages 765-775 ER -