The Benefit of the Doubt: Patent Examination Under Strategic Obfuscation.

This article analyzes strategic obfuscation by patent applicants, where applicants with bad ideas deliberately complicate their patent applications to create uncertainty for examiners, who must decide whether to grant patents without conclusive evidence of an idea's value. The model shows that obfuscation increases when examiners are more lenient—i.e., more likely to grant patents under uncertainty—and that providing examiners with additional resources can paradoxically lead to more obfuscation, potentially reducing examination efficiency. Empirical analysis of U.S. patent data supports the prediction that higher leniency correlates with greater obfuscation in patent applications. Extensions of the model incorporate applicants' investment in knowledge, a continuum of idea qualities, and the effects of ideas becoming harder to find, revealing nuanced impacts on obfuscation and innovation incentives. The findings have broader implications for settings involving strategic communication between informed senders and decision-making receivers, such as grant funding and financial disclosures.