Mitigation against Climate Change Technologies Patents CPC Classification from EPO Codefest and partly sourced from OPS and CHEMU

This dataset contains 9 classes of technologies related to mitigating climate change, as classified according to the Y02 CPC classification system. Each class contains a range of technologies and patents related to mitigating climate change, such as renewable energy, carbon capture and storage, waste management, and energy efficiency. For each class, the dataset includes the document code and the claims for the patents Additionally, the dataset includes both chemical and text-to-text relation extraction datasets which we extracted for the EPO Codefest 2022-2023 challenge via Open Patent Services.