Apple and Samsung have been embroiled in continuous patent litigation in courts around the world. On Thursday Samsung announced [JURIST report] that it will be adding the iPhone5 [product backgrounder] to its patent infringement suit against Apple. Last week a judge for the US International Trade Commission (ITC) [official website] ruled [JURIST report] that Apple products do not infringe on Samsung's patents. In August Apple won a $1.05 billion judgment [JURIST report] against Samsung in a separate case [case materials] in the US District Court for the Northern District of California. The suit covered everything from the shape and design of the competing companies' tablets and smartphones to the technology employed in the devices' software interface. Following the jury award Apple moved to block [JURIST report] eight Samsung products from being produced and sold in the US. Last month a South Korean court found that Apple and Samsung had violated each others' patents [JURIST report] and banned the sales of some of the companies' products in the country. In July a UK court ruled [JURIST report] that Samsung tablets do not infringe on Apple's design.