Co-patents in Europe: Methodological concerns,unfolding trends |
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| Institution: | 1. Centre for R&D Monitoring (ECOOM), KU Leuven, Leuven, Belgium;2. Department of Management and Production Engineering, Politecnico di Torino, Turin, Italy;3. Department of Management, Strategy and Innovation, KU Leuven, Leuven, Belgium;4. Flanders Business School, KU Leuven, Antwerp, Belgium;1. School of Business Administration, East China Normal University, Shanghai 200062;2. Institute of Big Data, Fudan University, Shanghai 200433;3. National Institute of Intelligent Evaluation and Governance, Fudan University, Shanghai 200433;4. School of Economics, Shandong University, Jinan, Shandong 250100;1. Harbin Institute of Technology (Shenzhen), School of Economics and Management, Shenzhen, China;2. World Intellectual Property Organization, Geneva, Switzerland;3. CIRCLE, Lund University, P.O. Box 7080, Lund S-220 07, Sweden;4. Institute for Future Initiative, The University of Tokyo, Tokyo, Japan;1. School of Information Management, Wuhan University, Wuhan, Hubei, 430072, China;2. Center for the Studies of Information Resources, Wuhan University, Wuhan, Hubei, 430072, China;3. Department of Sociology, University of Chicago, Chicago, IL, 60637, USA;4. Knowledge Lab, University of Chicago, Chicago, IL, 60637, USA |
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| Abstract: | The increasingly systemic nature of innovation activities requires the development of appropriate and reliable indicators that accurately reflect interactions between actors in the innovation scenery. While patent data offers potential to identify such interactions, previous research has tended to focus on inventors rather than applicants, due to the discretionary nature of filing decisions on the level of applicants. As such, the phenomenon of co-patents – patent applications filed by two or more independent entities – has received only limited attention. We address this gap by first, developing and validating an applicant name disambiguation approach to identify seemingly ‘false’ co-patents, implying multiple applicants that are likely part of the same organizational entity. Second, we assess co-patent trends across technology fields, countries and types of actors in Europe. Results suggest that a considerable number (30%) of European co-patents filed with the EPO are likely to be ‘false’ co-patents. The resulting, deflated figures suggest that co-patenting coincides with developing dynamics, both at the level of national innovation systems as well as in (emergent) science-intensive fields. The observed growth of co-patenting over time is primarily driven by co-patenting activities involving public actors; co-patenting trends involving companies and entrepreneurs remain stable over time. |
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