RT Journal Article SR Electronic T1 Patents JF The Journal of Investing FD Institutional Investor Journals SP 68 OP 74 DO 10.3905/joi.2008.707219 VO 17 IS 2 A1 Keith Cardoza A1 Cameron Gray A1 Jonathan Barney YR 2008 UL https://pm-research.com/content/17/2/68.abstract AB The leading asset class of the knowledge economy is intellectual property. Until recently, investors lacked both a benchmark equity index for the new economy as well as investable products. With the introduction of a patent index in September 2006, a new era has dawned.TOPICS: Performance measurement, security analysis and valuation, exchanges/markets/clearinghouses