LegalHK: 58,130 Hong Kong Court Cases with Reasoning Chains

LegalHK contains 58,130 Hong Kong court cases with detailed annotations of dispute points, step-by-step reasoning chains, and process verification labels. The dataset was created by weijiezz and was last updated on October 8, 2025. It is associated with the paper 'LegalReasoner: Step-wised Verification-Correction for Legal Judgment Reasoning'.

Use Cases

• Training legal reasoning models based on the annotated step-by-step reasoning chains.
• Evaluating the factual verification capabilities of AI systems using the process verification labels.
• Analyzing patterns in legal disputes and judgments within Hong Kong's court system.
• Fine-tuning language models for legal text generation or summarization based on the case narratives.

Strengths

• Contains 58,130 individual court cases, providing substantial scale.
• Includes detailed annotations for dispute points, reasoning chains, and verification labels.
• Provides raw data and processed data for supervised fine-tuning and reinforcement learning.

Limitations

• Column-level documentation is absent; field semantics must be inferred after download.
• Row count is known, but other structural details like file formats and data types are unspecified.
• Data may reflect geographic and jurisdictional bias inherent to its source of Hong Kong court cases.

Provenance

Source

Hong Kong court cases, as described in the associated research paper.

Collection Method

Data collection and annotation method described in the paper 'LegalReasoner: Step-wised Verification-Correction for Legal Judgment Reasoning'.

Freshness

Last updated 2025-10-08 02:13:54; freshness should be verified.

Geography

Hong Kong