STAMFORD, Conn.--(BUSINESS WIRE)--Walker Innovation Inc., formerly known as Patent Properties, Inc. (OTCQB:PPRO) (“Walker Innovation” or the “Company”), an intellectual property company that launched The United States Patent UtilityTM (the “Patent Utility”), its Big Data-driven subscription service that makes the economic benefits of America’s patent database available to companies of all sizes, today announced second quarter 2015 results. Second Quarter 2015 Highlights and Subsequent Events Ef