The company requested the removal of toner cartridges from Amazon.com, including Toner H-Party brand cartridges sold by True Printing.
Canon Inc. announced the filing of an infringement report with Amazon.com seeking the removal of Amazon.com listings for certain toner cartridges.
Canon’s infringement report filed on 10 March 2025 identified, among others, the product offerings shown in the table below and alleged that cartridges sold under these offerings infringe Canon’s U.S. Patent No. 11,215,949. Canon requested that Amazon remove these product offerings from Amazon.com.
At the time of this announcement, the product offerings listed above were no longer available on Amazon.com.
The OEM added: “Canon engages in extensive research and development so that it can deliver innovative and valuable products to customers all over the world. Through its research and development efforts, Canon has obtained a large and robust portfolio of patents. In order to protect its many innovations, Canon enforces its patents against various toner cartridge designs that Canon believes infringe its patent rights.”
