← Search Research Policy 2023 Are patent offices substitutes? Elise Petit; Bruno van Pottelsberghe de la Potterie; Lluís Gimeno-Fabra Solvay (Belgium) open access DOI10.1016/j.respol.2023.104823 Sources semanticscholar openalex Cite APA 7 MLA 9 Chicago (author–date) Harvard Elsevier Harvard (JFE, JBF…) The Accounting Review Academy of Management American Marketing Association INFORMS (Management Science) Copy citation Copied ✓