Seiko Epson Hit With Antitrust Claims In Patent Case

Law360, New York (June 1, 2009, 12:00 AM EDT) -- Seiko Epson Corp. has been hit with antitrust counterclaims in its patent infringement litigation against China's Ninestar Technology Co. Ltd. and other printer supply manufacturers over ink cartridges.

In counterclaims filed Friday in the U.S. District Court for the District of Oregon, Ninestar and its affiliates allege Seiko Epson has patented features in its ink cartridges that are not novel or distinct from prior art in order to prevent others from offering competing ink cartridges for use in Epson printers.

Ninestar claims Seiko Epson has violated...
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