To ensure that you benefit from exclusivity with respect to your own results, you have to maintain their private status at all times.

RADiCAL will not grant licenses to any other person for as long as you maintain your results as part of a private upload. 

However, for as long as the relevant results are included in a public upload, or if a fork has been created from a public upload, any User besides yourself can acquire from RADiCAL the licensing rights to the results associated with such public upload or forked scan.