Nature of Business RPX Corporation (also referred to herein as RPX or the Company) helps companies reduce patent litigation risk and corporate legal expense through two primary service offerings: its patent risk management services and its discovery services. The Company's patent risk management services help companies reduce patent-related risk and expense through subscription-based services that facilitate more efficient exchanges of value between owners and users of patents compared to transactions driven by actual or threatened litigation. The Companys patent risk management membership clients pay an annual subscription fee and in return, receive access to substantially all of the Company's patent portfolio as well as an array of services provided throughout their membership. Access to these services is available primarily through discussions with the Company's professionalsparticularly client relations and its team of patent experts, as well as through a proprietary database, and attendance at periodic conferences. In addition to its subscription-based patent risk management services, the Company underwrites patent infringement liability insurance policies to insure against certain costs of litigation. The Company uses a reinsurance subsidiary company to assume a portion of the underwriting risk on the insurance policies that the Company issues on behalf of a Lloyd's of London underwriting syndicate. To date, the effect of the insurance policies that the Company has assumed through its reinsurance business has not been material to the Companys results of operations, financial condition, or cash flows. In January 2016, the Company acquired Inventus Solutions, Inc. ("Inventus"), now a wholly owned subsidiary of the Company, and began offering its discovery services, which consist of technology-enabled services to assist law firms and corporate legal departments manage costs and risks related to the litigation discovery process. The Company's discovery services include data hosting and backup, data proce