TY - GEN T1 - Pruning the Evergreen Tree :Section 3(d) of the Indian Patents Act 1970 / AU - Ramanujan, A., AU - Sen, R. VL - 2009, Vol. 31, No. 3, pages 135-146 CN - K5 LA - eng ID - 25051 KW - Intellectual property KW - Intellectual property KW - Patents KW - Patent Law KW - TRIPS KW - Propriété intellectuelle TI - Pruning the Evergreen Tree :Section 3(d) of the Indian Patents Act 1970 / ER -