Patent portfolios have become the talk among investors - from a pricey Nortel auction to...

|By:, SA News Editor
Patent portfolios have become the talk among investors - from a pricey Nortel auction to Google's (GOOG) deal with Motorola Mobility (MMI) to Kodak's (EK) shopping around - but how do you put a value on them? A little research can get you closer to the patent-strong firms like JNJ, INTC and PFE - or ETFs like Guggenheim's basket (OTP).