The Excel sheet "Sublicensing_terms" allows both tech transfer officers and young biotech entrepreneurs to negotiate early-stage license contracts. The valuation only requires the most essential input parameters like costs, timelines, success rates, and sales potential. Based on this the user can adapt the license contract such that it is fair and fits his needs. Especially the much discussed sub-license terms, which can be very value relevant for the biotech companies, are clearly defined and calculated.