Epson Files Two More Inkjet Cartridge Patent-Infringement Lawsuits

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Seiko Epson Corporation, Epson America, and Epson Portland (collectively Epson) have filed two more patent-infringement lawsuits accusing online aftermarket cartridge sellers of infringing Epson’s U.S. patents 6,502,917 (’917) and 8,794,749 (’749). This brings the total number of lawsuits that Epson has filed since November 2016 over this pair of patents to 10. The two latest

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