PT - JOURNAL ARTICLE AU - Keith Cardoza AU - Cameron Gray AU - Jonathan Barney TI - Patents AID - 10.3905/joi.2008.707219 DP - 2008 May 31 TA - The Journal of Investing PG - 68--74 VI - 17 IP - 2 4099 - https://pm-research.com/content/17/2/68.short 4100 - https://pm-research.com/content/17/2/68.full 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