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Appropriability and basicness of R&D: Identifying and characterising product and process inventions in patent data
We present a database that classifies all patent applications filed at either the United States Patent and Trademark Office (USPTO) or the European Patent Office (EPO) as being either product patents, process patents or ‘mixed patents’. We use the share of claims that refer to either product or proc...
Autores principales: | , , |
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Formato: | Online Artículo Texto |
Lenguaje: | English |
Publicado: |
Public Library of Science
2022
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Materias: | |
Acceso en línea: | https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9377595/ https://www.ncbi.nlm.nih.gov/pubmed/35969608 http://dx.doi.org/10.1371/journal.pone.0272225 |