Apple's complaint Tuesday is the latest installment in the ongoing conflict between the two companies.Two weeks ago, Apple filed suit [JURIST report] in the Seoul Central District Court against the "Galaxy" line. In April, Apple also filed a similar suit against Samsung [JURIST report] in the US. Samsung countered [JURIST report] by filing patent infringement suits against Apple in three different countries, alleging that Apple had infringed its technology related to energy consumption and preventing data transmission errors. Though competitors, Samsung and Apple rely on each in business. Apple is the largest buyer of computer and phone chips, while Samsung is the world's largest manufacturer of those chips. In fact, after Apple's initial lawsuit against Samsung, Apple indicated a willingness to continue working with Samsung [Bangkok Post report] as a partner.