Hewlett-Packard on Thursday accused a national cartridge reseller of refilling used printer cartridges with ink that relies on a formula for an HP-patented ink brand. In its letter to Cartridge World, ...

Hewlett-Packard sues two companies that sell refilled ink cartridges, but it stops short of trying to block the refill business altogether. Stephen Shankland worked at CNET from 1998 to 2024 and wrote ...

Hewlett-Packard last year filed patents for an ink cartridge-refilling machine, even though its disposable ink cartridge business ranks among its most lucrative. The U.S.-based firm has no refilling ...

HP is suing a maker of do-it-yourself printer cartridge refill kits for allegedly violating its ink patents. The company has filed a complaint in Germany against a subsidiary of InkTec, a Korea-based ...

You’ve undoubtedly heard or seen advertisements for businesses that promise to save you money on printer ink cartridges -- one problem, though, according to HP: Refilling doesn't work. Share on ...

HP filed the original complaint last November in a Düsseldorf district court. The company alleged that German firm InkTec GmbH and its parent company InkTec Ltd of Korea had used ink in its refill ...

HP has introduced new Envy and OfficeJet inkjet printers. The all-in-one, Wi-Fi-enabled machines offer minor upgrades over existing models, but the highlight is that they are “Instant Ink ready,” ...