Canon Files Toner-Cartridge Patent-Infringement Lawsuit Against Kostland

Canon Inc. of Tokyo, Japan, reported today that it’s filed a patent-infringement complaint with the U.S. District Court for the Central District of California against Kostland Inc., for alleged patent-infringement of Canon’s U.S. Patent No. 9,581,958 B2.

Canon alleges that Kostland sells toner cartridges that infringe on Canon’s patent under the name “4Benefit.” The infringing toner cartridges are sold for use with various HP Inc. laser printers. Canon is seeking damages and injunctive relief.

More Resources

• January 2018: Canon and JT Company Settle Toner-Cartridge Patent Dispute in Germany
• January 2018: Canon Back to Russia to Defend Toner-Cartridge Patent
• December 2017: Canon Granted Preliminary Injunction in Germany for Alleged Toner-Cartridge Patent Infringement
• October 2017: Canon Loses Key ‘Dongle Gear’ Toner-Cartridge Patent-Infringement Lawsuit in Germany
• October 2017: Canon Wins Preliminary Injunction for Patent Infringement against JT Company
• August 2017: Canon Wins Injunction Against Third Toner-Cartridge Maker in Germany
• June 2017: Jury Awards Canon Nearly $4.5 Million for Toner-Bottle Patent Infringement
• June 2017: German Court Grants Canon Injunction in Printer-Supplies Patent-Infringement Dispute
• June 2017: Canon Resolves Patent-Infringement Litigation with J&H Greentech and Trading
• April 2015: Printronic Agrees to Not Sell Alleged Canon Patent-Infringing Toner Cartridges, Drums, in U.S.
• February 2015: X Com Shop Agrees to Stop Selling Toner Cartridges that Allegedly Infringe Upon Canon Patents