State and Federal PFAS Litigation – 2019 to Q3 2026 By Christopher M. Roe on October 20, 2026 Email this postTweet this postLike this postShare this post on LinkedIn PFAS-related litigation continues to climb and to diversify as to claims and parties. See the attached graphics, updated through the third quarter of 2026. We will continue to update these graphics on a quarterly basis.