Korea's Samsung Electronics and SK Hynix are facing a legal fight in the United States,... as an American law firm Hagens Berman has filed a suit against them for price fixing. br The U.S. law firm filed a suit at U.S. District Court for the Northern District of California, alleging that Samsung, Hynix and Micron have conspired to artificially limit the supply of D-RAM chips to keep prices high.br Local experts refute the allegation.br They insist there was not price fixing and the cost was determined by supply and demand.