NessCap Co. Ltd., a privately held Korean company focusing on ultracapacitor technology, has filed a patent infringement lawsuit against San Diego-based Maxwell Technologies over its Boostcap ultracapacitors.
Shares in Maxwell fell 32 cents to $14.08.
The lawsuit alleges that Maxwell's products, including the D cell product line of Boostcap ultracapacitors, infringe NessCap's patented intellectual property. Maxwell filed a similar suit against NessCap in October, alleging that the Korean company had infringed on Maxwell's patented intellectual property.
"NessCap has invested significant capital, resource and effort in developing our own proprietary and patented technology and we will not allow Maxwell to infringe," said Dr. Sunwook Kim, NessCap's founder and chairman of the board.
Maxwell spokesman Mike Sund, said he could not comment directly about NessCap's lawsuit but said: "We've studied this subject extensively and are very confident in the strength of our ip position and therefore confident that we will prevail in any (related) proceeding."
Maxwell is represented by Morrison & Foerster LLP.
NessCap filed the lawsuit in the United States District Court for the District of Delaware in Wilmington. NessCap is represented in the lawsuit by Edwards Angell Palmer & Dodge LLP.
Sund said a hearing for Maxwell's previous patent infringement case had been rescheduled to February. The original hearing was slated for November.
NessCap's Dr. Kim said Maxwell's lawsuit "has absolutely no merit." He added that NessCap's patents predate Maxwell's.
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