One of the most important and interesting U.S. International Trade Commission (ITC) patent-infringement investigations we have followed over the past few months is 337-TA-723, “Certain Inkjet Cartridges with Printheads and Components Thereof.” HP filed this complaint in June 2010 against Asia Pacific Microsystems (APM), MicroJet Technology (a subsidiary of Taiwan-based DB-Tel Incorporated), PTC Holdings, Mextec
