Dataset can be downloaded from https://sites.ualberta.ca/~rabelo/COLIEE2019/
@article{gain2019iitp,
title={IITP@ COLIEE 2019: legal information retrieval using BM25 and BERT},
author={Gain, B and Bandyopadhyay, D and Saikh, T and Ekbal, A},
journal={Proceedings of the 6th Competition on Legal Information Extraction/Entailment. COLIEE},
year={2019}
}