IHS Chemical Week

EnviroTech :: Regulatory

BASF and DuPont Trade Lawsuits Over Herbicide-Tolerant Corn Traits

12:01 PM MDT | June 12, 2009 | Natasha Alperowicz and Rebecca Coons

BASF and DuPont filed lawsuits against each other late last month, each firm claiming that the other infringed on their respective patents pertaining to a herbicide-tolerant trait in corn. Each suit seeks reimbursement for use of the trait, and nullification of the other firm’s intellectual property. At issue are the companies’ respective patents for corn seeds that resist the acetolactate synthase (ALS) herbicide. Both companies produce ALS inhibitors. BASF says DuPont’s Optimum GAT corn seeds incorporate BASF’s patented ALS-trait...

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