If you purchased Hill's Prescription Diet or Science Diet Canned Dog Food Between September 1, 2018 and May 31, 2019, Your Rights May Be Affected by a Class Action Settlement – PRNewswire March 8, 2021 ©Img. Eveline_Coquelet/Shutterstock.com Nutrition If you purchased Hill’s Prescription Diet or Science Diet Canned Dog Food Between September 1, 2018 and May 31, 2019, Your Rights May Be Affected by a Class Action Settlement PRNewswire You can read the whole article here.