TY - GEN AU - Marks, David, ID - 6554 KW - Patents. KW - Intellectual property. KW - PATENTS : PHARMACEUTICAL PRODUCTS KW - PATENT TERM EXTENSION : BRANDED DRUGS KW - MARKETING EXCLUSIVITY T1 - Life beyond the patent / TI - Life beyond the patent / VL - 1994 No 36 pages 13-19 ER -