On September 7, Canon Inc. announced that it filed an infringement report with Amazon.com seeking removal of listings for certain toner cartridges sold by Etechwork. According to the OEM’s press release, certain model CF280A toner cartridges sold by Etechwork via Amazon infringed Canon's U.S. patent numbers 8,280,278 ('278), 8,630,564 ('564), 8,682,215 ('215),8,688,008 ('008), and 8,676,090 ('090). Canon said it requested
