Tellabs Didn't Infringe Fujitsu Optical Systems IP, Jury Finds

Law360, New York (September 11, 2012, 2:05 PM ET) -- An Illinois federal jury on Friday found that a Fujitsu Ltd. patent for optical communications technology was valid, but rejected the Japanese company's accusation that Tellabs Inc.'s products had infringed it.

Following a nine-day trial, the jurors returned a unanimous verdict that Naperville, Ill.-based Tellabs' optical signal amplifiers hadn't infringed Fujitsu's U.S. Patent Number 7,227,681. The amplifiers are a component in optical broadband networks, which transmit data using light rather than electric signals.

But the jurors refused to go further and grant Tellabs' request that they...
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