A Growing Portfolio of High-value Patents

At December 31, 2013, RPX had deployed more than $750 million to acquire and/or sublicense rights to more than 4,200 patent assets, providing broad protection against patent assertions in technology sectors including consumer electronics and personal computing; E-commerce and software; financial services, media content and distribution; mobile communications and handsets; networking; and semiconductors.
 
Contents of the RPX Defensive Patent Portfolio as of December 31, 2013 are listed below.  The effective date of membership and/or restrictions associated with RPX's ability to grant sublicenses under the terms of certain patent rights acquisitions may limit RPX's ability to grant licenses to a particular member under certain portfolios listed in the following table:

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Portfolio name Primary market sector Product/services targets