Chapter{Senftleben2020f, title = {Signs Eligible for Trademark Protection – Dysfunctional Incentives and a Functionality Dilemma in the EU}, author = {Senftleben, M.}, url = {https://papers.ssrn.com/sol3/papers.cfm?abstract_id=3717753 https://www.ivir.nl/publicaties/download/Signs_Eligible_for_Trademark_Protection.pdf https://doi.org/10.1017/9781108399456.014}, year = {1126}, date = {2020-11-26}, keywords = {depletion theory, distinctive character, eu-recht, freedom of competition, frontpage, functionality doctrine, harmonization in the EU, Merkenrecht, need to keep free, non-traditional types of marks, proof of acquired distinctive character, retroactive effect, secondary meaning, Trademark law, trademark law reform}, }