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