Network-1 Technologies, Inc., formerly Network-1 Security Solutions, Inc. is engaged in the acquisition, development, licensing and protection of the Company's intellectual property. As of December 31, 2011, the Company owned six patents issued by the United States Patent Office that relate to various telecommunications and data networking technologies and include, among other things, patents covering the delivery of power over Ethernet (PoE) cables for the purpose of remotely powering network devices, such as wireless access ports, Internet protocol (IP) phones and network based cameras, over Ethernet networks and systems and methods of transmission of audio, video and data over computer and telephony networks. In March 2013, the Company acquired patent portfolio in digital watermarking, content identification, digital rights management, and related technologies, covering advanced technologies relating to the identification and monetization of media content.