The US International Trade Commission (ITC) will investigate 50 companies that are allegedly importing patent-infringing toner products into the US, following a complaint made by Japanese company Canon.
The ITC issued a release confirming the investigation yesterday, March 26.
In its complaint, filed February 28, Canon claimed that certain infringing toner cartridges are being imported into the US by a number of companies based in China, Hong Kong, Macau, Canada, and the US.
Canon accused the companies of making and selling toner cartridges and photosensitive drum units which infringe Canon’s patents, US numbers 9,746,826; 9,836,021; 9,841,727; 9,841,728; 9,841,729; 9,857,764; 9,857,765; 9,869,960; and 9,874,846.
Photosensitive drum units facilitate printing through the use of heat and pressure to transfer the colour toner to the paper, producing the text......read the rest here