LAUKIN: A Multi-jurisdictional Common Law Contract Dataset

In three linesLAUKIN is a dataset of 14,727 contract clause pairs (Australia-UK, UK-India, India-Australia) labelled for legal equivalence. 3,000 pairs are manually annotated by legal experts. Best models achieve 65.11% macro-F1, revealing that drafting conventions diverge significantly across jurisdictions despite shared legal heritage.

Summary generated by Claude — human-verified