EP Limited (EPL) is a privately held medical device company. The company is principally engaged in research and development of novel diagnostic and therapeutic devices. EPL operates through various research projects which are related to the development of a laser based cardiac output monitor, an improved RF ablation technology for the treatment of liver tumors, and a technology for the reduction of motion artifact in ECG recordings. The company also involves in various commercial activities which include the development of a handgrip based heart rate monitor for exercise equipment, project management for the development of a catheter based device and software analysis for medical device patent litigation. In addition, the company offers a range of consulting services in the fields of biomedical signal processing, bioheat transfer, and the design and implementation of digital and analog systems. EPL is headquartered at Somerville, the U.S.