Apple, Intel, Wal-Mart, SAFA: Intellectual Property

June 27 (Bloomberg) -- Apple Inc. filed a patent lawsuit against Samsung Electronics Co. in South Korea, escalating the legal dispute between the two companies regarding designs and technologies used in their best-selling mobile devices. The maker of the iPhone filed a suit with the Seoul Central District Court on June 22, according to a case record on the court's website, which doesn't provide details of Apple's claims.