Figure 4. Comparison among the ten companies that filed more patents in Brazil (BR), in the United States (US), and in participating countries of the European Patent Convention (EPC), from 1997 to 2017, in reference to the families, A61K51/00 and A61K49/00 added to the keywords “radiopharma” OR “radioisotop” OR “radioimmun” OR “radioactive” OR “radiotherap” OR “radiolabel” OR “radionuclide” . This was a search conducted by the Questel Orbit© software.
