先行技術

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Nearly 25% of USPTO Office Actions Now Cite Secret Prior Art — 233 Million Citation Study Quantifies Patent Law’s Structural Challenge

An empirical study of 233 million citation records from approximately 9 million U.S. granted patents reveals that roughl...
2026.04.24 パテント探偵社 編集部
EnglishIP News
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Secret Prior Art in 25% of Office Actions: Patently-O’s Empirical Study and the Lynk Labs Cert Denial

On April 9, 2026, Professor Dennis Crouch of the University of Missouri School of Law published an empirical study on Pa...
2026.04.13 パテント探偵社 編集部
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