Over the past three decades, the make-up of the market value of Standard & Poor 500 companies has changed dramatically. While intangible assets amounted to less than one-third of company value in the mid-1980s, this has almost tripled to four-fifths on average today. A large contributor to this trend is intellectual property (IP) - a situation that is even truer for start-up companies, where IP assets may be the only significant asset a company has...