purchased components/products / printed media / substitute product / established industry product / established industry products/services / long lasting law suit / substitute products / cumulative technologies / end products / telecommunications / copyright law / patent law reform / patent case law / factors technology / overall supplier network / technology fields / electronics / potential buyer / supplied components/products / products/services / patent law / rental car / pharmaceutical / car manufacturers / contract law / patent systems / chemicals / advertising industry / anti-competition law / /