BlueCup writes to tell us that Hewlett-Packard has deployed a large team consisting of many scientists and many more lawyers looking for possible ink patent infringement. With more than 4,000 patents on their ink formulations and cartridge design and a market share of more than 50 percent in the US HP depends heavily on the sale of ink to make profit after sometimes selling their printers at a loss in order to lock in the ink resale.
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