Ericsson hits Samsung with more patent claims

Following February lawsuit against rival, Ericsson adds 11 CDMA and WCDMA patents to list of allegedly infringed.

Swedish telecommunications firm Ericsson has launched a complaint in a U.S. federal court against rival Samsung Electronics, adding to a lawsuit that has been under way since February.

Ericsson is claiming that the Korean manufacturer continues to use technology covered by a patent agreement between the two companies that ended at the close of 2005.

"It's a continuation of the process that started in February," a representative of Ericsson told ZDNet UK on Thursday, adding that the new claims concern 11 patents surrounding CDMA and WCDMA technology , whereas the original lawsuit, filed both in Europe and the United States, dealt with GSM, GPRS and EDGE .

It is understood that Ericsson is trying to stop Samsung from making handsets based on the relevant patents, as the two companies have failed to agree on a price for a renewed agreement.

David Meyer of ZDNet UK reported from London.

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