Picht, Peter MPI for Innovation and Competition, Max Planck Society;
https://ssrn.com/abstract=3036578 (Preprint)
Picht, P., & Contreras, J. L. (2017). Patent Assertion Entities and Legal Exceptionalism in Europe and the United States, a Comparative View. Max Planck Institute for Innovation & Competition Research Paper, No. 17-11.