Samsung Electronics Co.\'s patent offensive against Apple Inc. hit a snag after a Dutch court on Friday (Korea time) rejected the Korean firm\'s injunction to ban sales of the U.S. company\'s iPhones and iPads. The ruling by the district court in the Hague may pose problems for the world\'s No. 2 mobile phone maker embroiled in a worldwide legal battle with Apple over the fast-growing smartphone and tablet computer markets.