State & Federal PFAS Litigation – 2019 to Q1 2022 By Christopher M. Roe on April 22, 2022 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 first quarter of 2022. We will continue to update these graphics on a quarterly basis.