This dataset contains historical Swedish patent documents (1885-1972) classified according to the Cooperative Patent Classification (CPC) system at the group level. Each document can have multiple labels, making this a challenging multi-label classification task with significant class imbalance and data sparsity characteristics.
The dataset includes patent claims text extracted from digitally… See the full description on the dataset page:
https://huggingface.co/datasets/atheer2104/swedish-patent-cpc-group-new.