Tysver, Daniel A. (23. novembar 2011). „Why Protect Software Through Patents”. Bitlaw.com. Pristupljeno 17. maj 2012. »In connection with software, an issued patent may prevent others from utilizing a certain algorithm (such as the GIF image compression algorithm) without permission, or may prevent others from creating software programs that perform a function in a certain way. In connection with computer software, copyright law can be used to prevent the total duplication of a software program, as well as the copying of a portion of software code.«
