How Big Agribusiness Is Heading Off The Threat From Seed Generics -- And Failing To Keep The Patent Bargain

Recently we wrote about how pharmaceutical companies use "evergreening" to extend their control over drugs as the patents expire. But this is also an issue for the world of agribusiness: a number of key patents, particularly for traits of genetically-engineered (GE) organisms, will be entering the public domain soon, and leading companies like Bayer, BASF, Dow, DuPont, Monsanto and Syngenta are naturally coming up with their own "evergreening" methods. 

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