Slingshot Printing Files New Patent Suit against HP, Amends Other Complaints


Slingshot Printing LLC is trying to increase the pressure on HP to license Lexmark’s inkjet patents. This month, Slingshot Printing not only filed a fourth patent-infringement lawsuit against HP, it also amended the three patent-infringement lawsuits it had filed against HP in June to include even more patents. The patents that Slingshot Printing is asserting

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