1. The research work for the article's section ‘SME share in European patents’ was carried out by Hanh Mai Nguyen.
2. Consider the socialist party in Greece (PASOK) in 2012–13, and subsequently, that of France (PS – Parti Socialiste) in 2017. Both parties were once pioneers in the re-emergence of socialist parties as ruling governments in Western Europe in the difficult years of the Cold War, a status they maintained in centre-left European politics until their recent and rapid demise.
3. Consider the current coalition governments in Austria and Italy and the rise of the far right in the Netherlands, France, Italy and Greece.
4. The current parliamentary opposition in the Netherlands, and the major opponent in the French presidential elections (see Louwerse and Otjes, 2019).
5. Regulation (EU) No 1257/2012, pp.1–8, available at https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32012R1257. Regulation (EU) No 1260/2012, available at https://eur-lex.europa.eu/legal-content/EN/TXT/?uri=CELEX%3A32012R1260.