econ.GNJul 21, 2026

Measuring AI innovation with trademark data

Authors: C. CastaldiF. CastellacciA. Fronzetti ColladonL. SegneriF. Venturini

Organizations: Utrecht University (NL). Correponding author: Vening Meineszgebouw A, Princetonlaan Sa, Kamer 6.66, 3584 CB Utrecht. · TIK, University of Oslo (NO) · Roma Tre University (IT) · University of Urbino Carlo Bo (IT) · NIESR and ESCoE (UK)

Abstract

Researchers, managers and policymakers are exploring different approaches and data sources to map the development and the diffusion of Artificial Intelligence (AI). In this research note, we illustrate the opportunities offered by trademark data. We argue that AI trademarks can complement AI patents to capture different dimensions of AI innovation. AI trademarks can reveal the extent and ways in which companies exploit AI technologies to develop new goods and services. Importantly, trademark data offer a timely and globally available data source that covers all economic sectors. We present insights from using AI trademarks in an empirical exploration of Italian firms. In our discussion, we reflect on how AI trademarks can be used at different levels of analysis to tackle emerging questions about the development and diffusion of AI.

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