A lot, apparently. Neem -Azadirachta indica -and the I?roducts derived from it have traditionally been widely used for centuries, especially in India, for medicinal purposes and pest-control. Recognising its vast potential, Western science and industry has embarked on a flurry of patenting neem's much-valued derivatives, while India, the plant's native land, has been reduced to playing the role of a backbencher