HP Intellectual Ink Cartridge Technology protected : HP, technology solutions provider to consumers and businesses globally, notified Cartridge World North America that it has discovered infringements of an HP ink patent in inks sold by multiple Cartridge World franchisees. The infringements were discovered as part of ongoing worldwide testing and enforcement efforts within HP's Imaging and Printing Group in order to protect its intellectual property rights. In March 2005, the same initiative also uncovered ink patent infringements in certain InkCycle cartridges sold under the Staples brand. HP and InkCycle quickly resolved the matter after InkCycle changed its ink formulations.
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