| Patent data and how it can be matched to (family) firm data: an example and a guideline T Willeke, J Block, M Johann, D Lambrecht, H Steinmetz, I Wunnam Research Handbook on Entrepreneurship and Innovation in Family Firms, 370-390, 2023 | 3 | 2023 |
| Green patents and green trademarks as indicators of green innovation J Block, D Lambrecht, T Willeke, M Cucculelli, D Meloni Research Policy 54 (1), 105138, 2025 | 2 | 2025 |
| Ecological Patents and Trademarks as Indicators of Ecological Innovation JH Block, D Lambrecht, T Willeke, M Cucculelli, D Meloni Available at SSRN 4483035, 2023 | 1 | 2023 |
| The interdependence of intellectual property and sales in the manufacturing industry: Evidence from the triangle of patents, trademarks, and sales D Lambrecht, J Block, M Neuenkirch, H Steinmetz, T Willeke Research Papers in Economics, 2023 | | 2023 |
| The Measurement of Eco Innovation: Patents and Trademarks as an Indicator for Eco Innovation J Block, M Cucculelli, D Lambrecht, D Meloni, T Willeke Academy of Management Proceedings 2023 (1), 17072, 2023 | | 2023 |
