Bayer Exec Denies Knowing Of Ghostwriting At Roundup Trial

Law360, Oakland, Calif. (April 16, 2019, 9:44 PM EDT) -- Bayer Crop Science's product safety team lead repeatedly said in a video deposition played for a California jury Tuesday that he "has no idea" whether Monsanto toxicologists ghostwrote multiple academic studies assessing Roundup's cancer risks, but he conceded that it's inappropriate if they wrote entire articles without attribution.

Bayer's Michael Koch was the latest witness in a monthslong trial in Oakland, California, over claims by plaintiffs Alva and Alberta Pilliod against the Bayer unit that decades of using Monsanto's popular Roundup weedkiller gave them both aggressive non-Hodgkin lymphoma.

During Koch's examination, the Pilliods' counsel pointed out internal Monsanto emails between Koch,...

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