January 20, 2026
HP has urged an Illinois federal judge to permanently toss customers' amended lawsuit accusing the printer-maker of illegally blocking third-party ink cartridge use through a firmware update, arguing the "few" changes in their latest complaint still do not outline a plausible antitrust case.
October 01, 2025
HP customers accusing the printer maker of illegally using a firmware update to block them from using third-party ink cartridges in their machines have not outlined a viable antitrust claim to pursue, but they can try again, an Illinois federal judge has ruled.
January 23, 2025
HP urged an Illinois federal judge on Thursday to toss out customers' lawsuit accusing it of anticompetitively blocking them from using third-party ink cartridges in their machines, arguing that they haven't come close to showing how it tied customers' printer purchases to the alleged restriction.
August 13, 2024
HP Inc. and a certified class of consumers told a California magistrate judge Monday that they have reached a settlement in principle to resolve a class action alleging the printer maker illegally forced customers to purchase overpriced HP-branded ink and toner supply cartridges by making alternative products incompatible with their printers.
April 09, 2024
HP printer buyers told an Illinois federal court they've done enough to show that HP monopolized the market for replacement ink cartridges by alleging the company used firmware updates to lock them into purchasing HP ink cartridges.
March 13, 2024
HP has urged an Illinois federal judge to throw out consumers' claims that it has a monopoly over the replacement-ink cartridge market and used software updates to block consumers from using cheaper rival cartridges in HP printers, saying it "goes to great lengths" to disclose that its printers are intended to work only with cartridges that have an HP security chip.
January 08, 2024
A group of consumers has hit HP Inc. with a proposed antitrust class action in Illinois federal court, alleging the printer maker has a monopoly over the replacement-ink cartridge market and used software updates to block consumers from using cheaper rival cartridges in HP printers.