U.S. Appeals Court in Cincinnati Denies Massive Class Action Against 3M and DuPont

3M, Corteva Inc, and DuPont were granted a big win by a U.S. appeals court on Monday November 27th, 2023. The appeals court rejected a lower court’s ruling that would have allowed roughly 11.8 million Ohio residents to participate in a massive class action. The court’s decision comes after finding lead plaintiff Kevin Hardwick’s claims to be too broad. They state that Harwick “rarely” called out actions of one single company, and alternately accused the companies as a whole of causing contamination. Circuit Judge Raymon Kethledge noted that there are thousands of companies that have manufactured PFAS, however only 10 were listed as defendants.

The dismissed lawsuit aimed to force the companies to fund studies that analyzed the health impacts PFAS. If granted it also aimed to establish a fund that would have monitored Ohio residents for health impacts from PFAS exposure.

This blog is intended to provide information to the general public and to practitioners about developments that may impact Oregon class actions.

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Steve Larson

An experienced trial lawyer who handles both hourly and contingent fee cases, Steve has expertise in class actions, environmental clean-up litigation, antitrust litigation, securities litigation, corporate disputes, intellectual property disputes, unfair competition claims, and disputes involving family wealth. Steve regularly represents individuals and businesses in federal and state court and has obtained class-wide recovery in multiple class actions. A veteran practitioner, Steve’s clients value his creative approach to resolving complex litigation matters.


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The information contained in this blog does not constitute legal advice, and does not create an attorney-client relationship. We make no claims, promises or guarantees about the accuracy, completeness, or adequacy of the information contained in or linked to this blog.