Korean electronics giant Samsung has sued Apple Inc.(NASDAQ:AAPL) alleging that its new iPhone 5 infringes on its patents.
Samsung filed a lawsuit in a California court claiming that the device had violated eight of its patents.
Apple had launched the iPhone 5 on September 12 and the phone went on sale on September 21 with a record number of customers buying the device and placing orders for it.
Samsung said in a statement, ““We have always preferred to compete in the marketplace with our innovative products, rather than in courtrooms. However, Apple continues to take aggressive legal measures that will limit market competition."
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It said that it had no choice other than to take recourse to legal means to protect its intellectual property rights.
Samsung had earlier warned that it would sue Apple if the iPhone was seen to contain LTE capabilities.
Samsung's move gains Apple came even as it received cheering news in relation to another patents battle between it and Apple.
A federal court in San Jose lifted a ban on the sale of the company's Galaxy Tab 10.1, which had been banned in June, ahead of a trial between the two companies.
Samsung went in appeal against the ban and a U.S. court of appeals said that the ban could be lifted after the jury found that the device did not violate Apple's patents.
The two companies, which between them dominate the smartphone segment, are involved in over a half a dozen legal suits involving patents, across four continents.
Apple has consistently accused the Korean handset maker of copying the designs of its iPhones and iPads.