The document summarizes increasing monetization activities by patent holders exploiting patents related to the 4G LTE standard. It finds that non-practicing entities (NPEs) make up 11% of LTE patent holders and describes recent lawsuits and licensing agreements between NPEs such as Adaptix, InterDigital, UPIP, Optis Wireless Technology, and Inventergy and various technology companies regarding LTE patents. It also discusses patent monetization activities by Ericsson and Nokia, who each hold 13% of LTE standard patents, including lawsuits against companies such as Samsung, Apple, HTC, and licensing agreements with some like Samsung and HTC.