ESSEN BIOTECH L.L.C. is a registered Biotechnology organization under the Delaware State Division of Corporations, with File Number 2669872. Please note that ESSEN BIOTECH does not have any laboratories outside of the United States of America but conducts clinical trials internationally. ESSEN BIOTECH L.L.C. will never contact you asking for any personal information. To view all available clinical trials, visit ClinicalTrials.gov. You can verify our official registration by visiting the Delaware Department of State: Division of Corporations at the following link: Delaware Entity Search.