TOKYO, February 10, 2021—Canon Inc. today announced that it filed Report Infringement Forms with Amazon.de based on the alleged use of claims 1 of the German portion of Canon's European Patent EP 2 137 577 ("EP '577") regarding certain models of toner cartridges CF350A, CF351A, CF352A and CF353A offered by xianshi yanliangqu canqiubaihuodianshanghang under the following ASIN (Amazon Standard Identification Numbers) B07R3G88D6.
Afterwards, Amazon took down the respective products. These products are compatible with the respective OEM HP cartridge models and provide inter alia a non-OEM housing, a non-OEM developing roller, as well as a non-OEM coupling member comprising a rotating force receiving portion and a rotating force transmitting portion according to claim 1 of EP '577.
Filing a Report Infringement Form with Amazon is a service offered by Amazon and doesn't comprise any official finding of validity or infringement of a patent. The decision to take down a product is in the discretion of Amazon and is based on information provided by Canon. Amazon informed the vendor about the takedown and the vendor may object to it.