There's nothing like major corporations acting like a bunch of kids on a playground. As you remember, Samsung and Apple have been locked in a patent infringement lawsuit for quite some time. Apple is trying (quite successfully, I may add) to block the sale of the Galaxy Tab 10 tablet in several countries, so now Samsung is playing tit-for-tat and wants to block sales of the brand new iPhone 4S in France and Italy.
Samsung said in a statement that they'll file a pair of preliminary injunction requests in Paris and Milan, stating that