2026
Filling the Gap: The Consequences of Collaborator Loss in Corporate R&D
Unexpected deaths of inventors show that firms can largely cushion the loss of internal collaborators, but not external ones.
The Returns to Physical Capital in Knowledge Production: Evidence from Lab Disasters
Laboratory disasters reveal persistent productivity losses when scientists lose specialized equipment and materials.
2025
Patents, Freedom to Operate, and Follow-on Innovation: Evidence from Post-Grant Opposition
Invalidating contested European patents increases follow-on innovation, with different mechanisms for low- and high-value patents.
2024
Labor Supply and Automation Innovation
An increase in low-skilled labor supply reduces automation innovation, especially in manufacturing and tight labor markets.
2023
Training with AI: Evidence from Chess Computers
Chess computers improved players by providing scalable practice, but did not teach them to exploit distinctively human mistakes.
Truly Standard-Essential Patents? A Semantics-Based Analysis
A semantics-based method approximates whether declared standard-essential patents are actually essential.
2022
Patents, Data Exclusivity, and the Development of New Drugs
Shorter expected periods of market exclusivity reduce the likelihood of drug commercialization.
2021
Should There Be Lower Taxes on Patent Income?
Patent-box tax regimes affect the location of patent ownership more than domestic innovative activity.
2019
Science Quality and the Value of Inventions
Patents linked to higher-quality scientific research are substantially more valuable.
2017
Litigation of Standards-Essential Patents in Europe: A Comparative Analysis
A comparative analysis of standard-essential patent litigation and the role of patent assertion entities in Europe.
Patent Litigation in Europe
Case-level evidence shows substantial differences and inconsistent outcomes across European patent jurisdictions.
2016
Invalid but Infringed? An Analysis of the Bifurcated Patent Litigation System
Bifurcation can produce infringement decisions on patents that are subsequently invalidated and can discourage validity challenges.