7. Licenses Acquired

In accordance with ASC 730-10-25-1, Research and Development, costs incurred in obtaining technology licenses are charged to research and development expense if the technology licensed has not reached technological feasibility and has no alternative future use. The licenses purchased by Fortress, Aevitas, Avenue, Cellvation, Checkpoint, Cyprium, Helocyte, Mustang and Baergic require substantial completion of research and development, and regulatory and marketing approval efforts in order to reach technological feasibility. As such, for the three months ended March 31, 2020 and 2019, the purchase price of licenses acquired was classified as research and development-licenses acquired in the Condensed Consolidated Statements of Operations as reflected in the table below:

Mustang

For the three months ended March 31, 2020 and 2019, Mustang recorded the following expense in research and development for licenses acquired:

Note 1: Represents a non-refundable milestone payment in connection with the twentieth patient treated in the Phase 1 clinical study of MB-103 at COH.