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arXiv · 2501.18043

What Proportion of Knowledge is Patented?

Gaetan de Rassenfosse
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Abstract

This article examines the proportion of technical knowledge that is eventually patented and discusses implications for innovation. Drawing from economic theory and information science, the study considers a continuum from raw data to applied understanding, while distinguishing between patentable inventions and other types of knowledge. The article explains that although the patent system is designed to incentivize the creation of economically valuable technology, only a small fraction of patentable inventions receive patent protection. Empirical evidence from surveys and historical data reveal that patenting remains an exception rather than a rule in many, but not all, industries. Furthermore, the article explores the trade-offs inherent in public disclosure requirements in patent law, which facilitate knowledge dissemination and may aid competitors. In doing so, it highlights the critical balance between rewarding inventors and preserving the free flow of knowledge, ultimately underscoring the complex role patents play in modern innovation ecosystems.

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Gaetan de Rassenfosse. 2025-04-15. What Proportion of Knowledge is Patented?. https://arxiv.org/abs/2501.18043

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