The patccat classifier for patent claims - EPO edition

!!! This is the <strong>EPO/European version</strong> of the patccat classifier of patent claims. !!! Note: We use the same approach that we use for USPTO patents. For a detailed description, see https://doi.org/10.5281/zenodo.6395307. <strong>Data version: 3.4.0</strong> Authors:<br> Bernhard Ganglmair (University of Mannheim, Department of Economics, and ZEW Mannheim)<br> W. Keith Robinson (Wake Forest University, School of Law)<br> Michael Seeligson (Southern Methodist University, Cox School of Business) Please cite the following paper when using the data in your own work: Ganglmair, Bernhard, W. Keith Robinson, and Michael Seeligson (2022): "The Rise of Process Claims: Evidence from a Century of U.S. Patents," unpublished manuscript available at https://papers.ssrn.com/abstract=4069994.