Romandini, Roberto MPI for Innovation and Competition, Max Planck Society;
https://ssrn.com/abstract=4422200 (Preprint)
https://op.europa.eu/en/publication-detail/-/publication/94cb20ea-2ff0-11ed-975d-01aa75ed71a1/language-en (Publisher version)
Romandini, R. (2022). Study on the Options for a Unified Supplementary Protection Certificate (SPC) System in Europe. Max Planck Institute for Innovation & Competition Research Paper, No. 23-09.