Samsung Electronics Co.’s shares retreated after the company reportedly filed a patent infringement lawsuit against Apple Inc., following the iPhone maker’s own suit claiming trademark violation a week earlier.
Samsung /quotes/comstock/11i!ssnlf SSNLF +78.57% filed the suit in Seoul, Tokyo and Germany, according to various news reports which cited a statement by the company. The suit alleges that Apple /quotes/comstock/15*!aapl/quotes/nls/aapl AAPL +2.42% violated the South Korean company’s patents in the production of the iPhone and iPad, according to a report by the South Korean news agency Yonhap.
More specifically, the suit alleges that Apple infringed on patents that cover transmission optimization and reduction of power usage during transmission, The Wall Street Journal reported Friday, citing a company spokesmen. It also says Apple violated its patents covering 3G technology for reducing date-transmission errors and a method of tethering a mobile phone to a PC to enable the PC to utilize the phone’s wireless data connection, The Journal said.
Samsung Electronics’s shares were down 2.5% in early afternoon trading in Seoul.
Samsung said in statement that it had launched the suit in response to legal action that had been taken against it without directly naming Apple.
Apple’s suit, filed earlier this month, alleges Samsung’s Galaxy cellphone and tablet were copied from the iPhone and iPad, violating patents and trademarks on the look, product design, packaging and operation of the Apple products.
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