Epson, Lexmark, Ricoh Face Patent Suit Over Printers

Law360, New York (July 6, 2010, 2:26 PM EDT) -- Printer giants Epson America Inc., Lexmark International Inc., Ricoh Americas Corp. and several others have been hit with a suit from Trontech Licensing Inc. alleging the companies’ all-in-one printers infringe its fax detection patent.

Trontech lodged the complaint Thursday in the U.S. District Court for the Eastern District of Texas, claiming that the defendants’ printers, copiers and other devices infringe its patent.

The suit — which also names Sharp Electronics Corp. and Muratec America Inc. as defendants — accuses the defendants of infringing U.S. Patent Number...
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