Roundup Weed & Grass Killer Concentrates

August 2019: The Eight Circuit Court of Appeals affirmed the district court’s decision to approve the settlement.

June 2018: Two objectors (Migliaccio and Sweeney) filed Notices of Appeal regarding the decision to approve the settlement.

May 2018: A federal judge granted final approval of the settlement agreement.

December 2017: A federal judge granted preliminary approval of a nationwide class settlement agreement that would resolve this case along with Martin v. Monsanto. According to the settlement terms, class members may get a refund ranging from $11 to $53 for each Concentrate product purchased. In addition, the company agreed to change the labels of Concentrates to clarify dilution rates and mixing instructions. A final fairness hearing is scheduled for April 17, 2018. To learn more, go to

April 2017: A class-action lawsuit was filed against Monsanto Company for allegedly deceptively marketing Roundup Grass & Weed Killer concentrate products as making a specific number of gallons of Roundup when the containers actually make approximately 40%-50% less than the advertised amount. For example, according to the complaint, the 32 oz. container of Roundup Concentrate Plus is advertised as making 10 gallons of Roundup when it only makes 5 1/3 gallons. (Rawa et al v. Monsanto Company, Case No. 17-cv-1252, E.D. Mo.)

For more information about other class-action lawsuits filed against Monsanto Company and’s coverage of the company, click here.

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