As the majority of Apple’s supply chain is based in Taiwan, this study analyzes the effect of patent litigation for pervasive computing vehicles on Taiwanese electronic stock performance toward Mobile service interface technology. Apple’s Mobile service interface patent on the Taiwanese electronics companies in Apple’s iPhone 4 supply chain. Furthermore, it is expected that such a patent would not only affect stocks associated with Apple but also stocks associated with large competitors. This study further builds upon previous literature that utilized Event Study Methodology (ESM) for the valuation of innovation.