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DuPont Sues BASF Over Herbicide-Resistant Traits

4:22 AM MDT | June 1, 2009 | Natasha Alperowicz

DuPont today filed a lawsuit in U.S. Federal Court in the District of Delaware claiming that BASF is infringing four patents relating to biotechnology traits similar to those used in DuPont's proprietary Optimum GAT  trait. The patents listed in the lawsuit confer tolerance to a herbicide class with "excellent environmental characteristics" known as ALS inhibitors and pertain to certain methods for controlling weeds, the company says. DuPont, through the lawsuit, is asking BASF to acknowledge the validity of DuPont's patents related to the ALS...

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