An emerging stream of literature is studying the extent to which trademarks can be used to measure innovation. The picture of the usefulness of trademarks for innovation studies, however, is far from complete. Starting with cues from the patent literature, this paper studies the relationship between the timing of trademark applications and innovation. The trademark literature provides competing predictions on whether companies apply for trademarks early or late in the innovation process. Using a large sample of trademarks referring to innovation, we undertake a first empirical test of these predictions. Our findings suggest that in many instances reality is not as clear cut as the predictions suggest. However, when trademark data is combine...