CALRK-Bench: Evaluating Context-Aware Legal Reasoning in Korean Law
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| Format: | Preprint |
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2026
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| _version_ | 1866910078299275264 |
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| author | Jung, JiHyeok Yoon, TaeYoung Cho, HyunSouk |
| author_facet | Jung, JiHyeok Yoon, TaeYoung Cho, HyunSouk |
| contents | Legal reasoning requires not only the application of legal rules but also an understanding of the context in which those rules operate. However, existing legal benchmarks primarily evaluate rule application under the assumption of fixed norms, and thus fail to capture situations where legal judgments shift or where multiple norms interact. In this work, we propose CALRK-Bench, a context-aware legal reasoning benchmark based on the legal system in Korean. CALRK-Bench evaluates whether models can identify the temporal validity of legal norms, determine whether sufficient legal information is available for a given case, and understand the reasons behind shifts in legal judgments. The dataset is constructed from legal precedents and legal consultation records, and is validated by legal experts. Experimental results show that even recent large language models consistently exhibit low performance on these three tasks. CALRK-Bench provides a new stress test for evaluating context-aware legal reasoning rather than simple memorization of legal knowledge. Our code is available at https://github.com/jhCOR/CALRKBench. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_26332 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | CALRK-Bench: Evaluating Context-Aware Legal Reasoning in Korean Law Jung, JiHyeok Yoon, TaeYoung Cho, HyunSouk Computation and Language Artificial Intelligence Legal reasoning requires not only the application of legal rules but also an understanding of the context in which those rules operate. However, existing legal benchmarks primarily evaluate rule application under the assumption of fixed norms, and thus fail to capture situations where legal judgments shift or where multiple norms interact. In this work, we propose CALRK-Bench, a context-aware legal reasoning benchmark based on the legal system in Korean. CALRK-Bench evaluates whether models can identify the temporal validity of legal norms, determine whether sufficient legal information is available for a given case, and understand the reasons behind shifts in legal judgments. The dataset is constructed from legal precedents and legal consultation records, and is validated by legal experts. Experimental results show that even recent large language models consistently exhibit low performance on these three tasks. CALRK-Bench provides a new stress test for evaluating context-aware legal reasoning rather than simple memorization of legal knowledge. Our code is available at https://github.com/jhCOR/CALRKBench. |
| title | CALRK-Bench: Evaluating Context-Aware Legal Reasoning in Korean Law |
| topic | Computation and Language Artificial Intelligence |
| url | https://arxiv.org/abs/2603.26332 |