There are dozens of different printers in Lexmark's X line, and they vary widely. The X543DN, for example, is a laser printer for which you would buy toner, not ink cartridges. Even the X-series ...

Lexmark is one of numerous printer manufacturers that installs smart chips in printer ink cartridges. If you try to refill an empty cartridge with a third-party ink ...

A corporate squabble over printer toner cartridges doesn’t sound particularly glamorous, and the phrase “patent exhaustion” is probably already causing your eyes to glaze over. However, these ...

A case that went before the Supreme Court yesterday has a very long history. Lexmark sued Static Control Components (SCC) in 2002, arguing that SCC shouldn’t be allowed to reverse-engineer its ...

WASHINGTON—The Supreme Court reaffirmed Tuesday that patent-holders cannot keep their rights over a product once they sell it, ruling against a large printer maker in a case that, among other things, ...