HAHN v. MONSANTO CO.

No. 20-3663, No. 20-3665.

39 F.4th 954 (2022)

John S. HAHN, Special Master, Bader Farms, Inc., Plaintiff-Appellee Bill Bader, Plaintiff v. MONSANTO COMPANY, Defendant BASF Corporation, Defendant-Appellant American Seed Trade Association, Incorporated; Chamber of Commerce of the United States of America; Coalition for Litigation Justice, Inc.; CropLife America; DRI-The Voice of the Defense Bar; Missouri Agribusiness Association; Missouri Chamber of Commerce and Industry; National Association of Manufacturers; Product Liability Advisory Council, Incorporated; Washington Legal Foundation, Amici on Behalf of Appellant(s) Missouri Association of Trial Attorneys; National Family Farm Coalition; Center for Biological Diversity; Pesticide Action Network; Center for Food Safety; Save Our Crops Coalition, Amici on Behalf of Appellee(s) John S. Hahn, Special Master Bader Farms, Inc., Plaintiff-Appellee Bill Bader, Plaintiff v. Monsanto Company, Defendant-Appellant BASF Corporation, Defendant American Seed Trade Association, Incorporated; Chamber of Commerce of the United States of America; Coalition for Litigation Justice, Inc.; CropLife America; DRI-The Voice of the Defense Bar; Missouri Agribusiness Association; Missouri Chamber of Commerce and Industry; National Association of Manufacturers; Product Liability Advisory Council, Incorporated; Washington Legal Foundation, Amici on Behalf of Appellant(s) Missouri Association of Trial Attorneys; National Family Farm Coalition; Center for Biological Diversity; Pesticide Action Network; Center for Food Safety; Save Our Crops Coalition, Amici on Behalf of Appellee(s).

United States Court of Appeals, Eighth Circuit.

Filed: July 7, 2022.


Attorney(s) appearing for the Case

Tracey Flexter George , Lawrence Benjamin Mook , Davis & George, Kansas City, MO, Beverly Turina Randles , Bill R. Randles , Angela Marie Splittgerber , Randles & Splittgerber, Kansas City, MO, for Plaintiff-Appellee.

Shane Alan Anderson , Anthony W. Finnell, Jr. , Bruce Gregory Jones , John P. Mandler , Faegre & Drinker, Minneapolis, MN, Troy Bozarth , Hepler & Broom, Edwardsville, IL, Martin J. Demoret , Carolyn A. Gunkel , Ross W. Johnson , Faegre & Drinker, Des Moines, IA, Christopher Martin Hohn , Jan P. Miller , Thompson & Coburn, Saint Louis, MO, Charles Noah Insler , Thomas Joseph Magee , Hepler & Broom, Saint Louis, MO, Neal Kumar Katyal , Hogan & Lovells, Washington, DC, Tarifa Belle Laddon , Faegre & Drinker, Los Angeles, CA, Ann Elizabeth Sternhell Blackwell , Bryan & Cave, Saint Louis, MO, for Docket No. 20-3663 Defendant-Appellant.

Andrew Kim , Goodwin & Procter, Washington, DC, Kevin P. Martin , Goodwin & Procter, Boston, MA, for Amici on Behalf of Appellant American Seed Trade Association, Incorporated, CropLife America.

Mark Alan Behrens , Philip S. Goldberg , Shook & Hardy, Washington, DC, for Amici on Behalf of Appellant Chamber of Commerce of the United States of America, Coalition for Litigation Justice, Inc., Missouri Agribusiness Association, Missouri Chamber of Commerce and Industry, National Association of Manufacturers.

John Mercer Masslon, II , Cory L. Andrews , Senior Litigation Counsel, Washington Legal Foundation, Washington, DC, for Amici on Behalf of Appellant DRI-The Voice of the Defense Bar, Washington Legal Foundation.

Lawrence Michael Brooks, Jr. , Wells & Anderson, Denver, CO, for Amicus on Behalf of Appellant Product Liability Advisory Council, Incorporated.

Kirk Rowan Presley , Presley & Presley LLC, Kansas City, MO, for Amicus on Behalf of Appellee Missouri Association of Trial Attorneys.

George Andreas Kimbrell , Center for Food Safety, Portland, CA, Meredith Stevenson , Center for Food Safety, San Francisco, CA, for Amici on Behalf of Appellees National Family Farm Coalition, Center for Biological Diversity, Pesticide Action Network, Center for Food Safety, Save Our Crops Coalition.

Kimberly M. Bousquet , Sara Lynne Chamberlain , Daniel C. Cox , Amanda J. Hettinger , Christopher Martin Hohn , Jeff A. Masson , Jan P. Miller , John R. Musgrave , Sharon Rosenberg , Booker T. Shaw , Thompson & Coburn, Saint Louis, MO, Jonathan F. Cohn , Sidley & Austin, Washington, DC, David E. Dukes , Nelson & Mullins, Columbia, SC, Ann Elizabeth Sternhell Blackwell , Bryan & Cave, Saint Louis, MO, for Docket No. 20-3665 Defendant-Appellant.

Before SMITH, Chief Judge, BENTON and KELLY, Circuit Judges.


Dicamba, an herbicide, kills broadleaf weeds that have grown resistant to other herbicides. Unfortunately, traditional dicamba herbicides harm crops. Traditional dicamba herbicides are also "volatile," meaning that they tend to vaporize and move off target. It was thus impractical— and unlawful—to spray dicamba...

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