In 2016, Angelcare Development Inc. and other companies (collectively, âAngelcareâ) sued Munchkin, Inc. and Munchkin Baby Canada, Ltd (âMunchkinâ) for patent infringement, referencing six patents in connection with its âDiaper Genieâ diaper disposal system: 2,640,384, 2,855,159, 2,936,415, 2,936,421, 2,937,312, and 2,686,128 (collectively, the âPatentsâ).