Legal IR

IR: Information Retrieval

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6 papers in the last four weeks, against 2 the four weeks before. 0.1% of all new papers.

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  1. From Rules to Neural Graphs: Scalable Structured Prediction for Patent Prior Art Search

    Oct 1, 2026Nikolai Zenovkin, Sebastian BjörkqvistLegal IRGraph-Based Retrieval

    IPRally Technologies Oy, Helsinki, Finland

  2. LawCompass: Navigating from Legal QA to Multi-Agent Deep Research with Grounded Evidence

    Oct 1, 2026Xiaoxia Cheng, Linnan Wang, Jiahao Ma +5Multi-Agent LLM SystemsLegal IR

    Anhui University · Tsinghua University

  3. Mining Legal Arguments in U.S. Corporate Case Law

    Sep 21, 2026Luis Brena, William Jurayj, Gregory Deyesu +3Argument MiningLegal IR

    Johns Hopkins University · University of Maryland School of Law

  4. UK-PRBENCH: A Paragraph-Level Precedent Retrieval Benchmark for United Kingdom Case Law

    Sep 21, 2026Damith Premasiri, Tharindu RanasingheLegal IRInformation Retrieval

    Lancaster University, UK

  5. PRISM-RAG: Multimodal Hypergraph Retrieval-Augmented Generation for Tobacco Product and Legislative Policy Reasoning

    Sep 20, 2026Manuel Serna-Aguilera, Raegan Anderes, Page Dobbs +1Multimodal RAGLegal IR

    Fay W. Boozman College of Public Health, University of Arkansas for Medical Sciences, Little Rock, Arkansas, 72205

  6. Reading a Legal Question Word by Word: Embedding Trajectories of 2,144 Vietnamese Legal Headlines

    Sep 8, 2026Tran Minh QuanText EmbeddingsWord Embeddings

  7. Annotated Surrogate Retrieval for Polish Statutory Law

    Aug 31, 2026Orkun Yiğit CengizLegal IRLLM Reranking

    Independent Researcher

  8. GreekBarRetrieval: A Benchmark for Greek Statutory Retrieval

    Aug 19, 2026Ernest Beta, Odysseas S. Chlapanis, Dimitrios Galanis +1Legal IRQuery Reformulation

    Department of Informatics, Athens University of Economics and Business, Greece · Archimedes, Athena Research Center, Greece · Institute for Language and Speech Processing, Athena Research Center, Greece

  9. Evaluating RAG for French immigration law: a benchmark and baseline study

    Jul 27, 2026Annia Abtout, Julien Delaunay, Monika Ewa RakoczyLLM GroundingLegal IR

    Talan, Paris, France

  10. Fenced Citation-Context Retrieval for Case Law: Temporal Leakage and Degree Control Across Two Jurisdictions

    Jul 19, 2026Yao Liu, Tien-Ping Tan, Zhilan LiuData LeakageLegal IR

    The Engineering and Technology College, Chengdu University of Technology, Leshan, China · School of Computer Sciences, Universiti Sains Malaysia, Penang, Malaysia · Department of Art and Design, The Engineering and Technology College, Chengdu University of Technology, Leshan, China

  11. NOWJ@COLIEE 2026: Adaptive Pipelines for Legal Retrieval and Reasoning

    Jul 18, 2026Thuong-Hieu Ngo, Hoang-Trung Nguyen, Huu-Dong Nguyen +5Legal NLPLegal IR

    VNU University of Engineering and Technology Hanoi, Vietnam · Center for Juris-Informatics, ROIS-DS College of Engineering & Computer Science, VinUniversity Hanoi, Vietnam

  12. Cross-Architecture LLM Ensembles, Feature-Based Reranking and Retrieval-Augmented Prompting for Legal Information Processing

    Jul 13, 2026Amal Saad Alshehri, Nelly Bencomo, Amir Atapour-AbarghoueiLegal NLPLegal IR

    Durham University · Department of Computer Science · Durham, United Kingdom +2

  13. Generative Chinese Statute Retrieval

    Jul 13, 2026Yiteng Tu, Zitao Su, Weihang Su +5Legal IRGenerative Retrieval

    Tsinghua University Quancheng Laboratory Beijing, China

  14. PRecG: Legal Precedent Retrieval with Graph Neural Networks and Rhetorical Role Segmentation

    Jul 10, 2026Devanshu Verma, Vasudha Bhatnagar, Vikas Kumar +1Graph Neural NetworksLegal IR

    aUniversity of Delhi, Delhi, India · bIBM Research, Bengaluru, India

  15. Inject or Navigate? Token-Efficient Retrieval for LLM Analysis of Transactional Legal Documents

    Jul 7, 2026Mahmoud Hany, Mourad ElSheraey, Mahmoud Said +1LLM Inference EfficiencyLegal IR

    Syntheia Pty Ltd

  16. Train, Retrieve, or Both? A Four-Arm Head-to-Head for Correct Statutory Citation on the Ontario Residential Tenancies Act

    Jun 18, 2026Ali Asaria, Tony Salomone, Deep GandhiSupervised Fine-TuningRetrieval-Augmented Generation

    Transformer Lab

  17. Human-on-the-Loop Orchestration for AI-Assisted Legal Discovery

    Jun 18, 2026Anushree Sinha, Srivaths Ranganathan, Abhishek Dharmaratnakar +1Legal IRLLM Agent Orchestration

    Google LLC Mountain View, CA, USA

  18. Freeing the Law with LOCUS: A Local Ordinance Corpus for the United States

    Jun 17, 2026Denis Peskoff, Joe Barrow, Christopher Vu +1Legal IRLegal Document Analysis

    1UC Berkeley · School of Information · 3Independent

  19. When Rules Learn: A Self-Evolving Agent for Legal Case Retrieval

    Jun 15, 2026Mingxu Tao, Jiawei Hu, Xian Zhou +5Legal NLPLegal IR

    Center of Information Research, AMS · 2Discipline and Technology Research Center for Large Model Intelligence Applications · 3Hebei University of Engineering

  20. LAUKIN: A Multi-jurisdictional Common Law Contract Dataset

    Jun 11, 2026Amrita Singh, Aditya Joshi, Jiaojiao Jiang +2Legal NLPPairwise Comparison

    Computer Science and Engineering, UNSW, Sydney, Australia · Law and Justice, UNSW, Sydney, Australia

  21. Beyond Probabilistic Similarity: Structural, Temporal, and Causal Limitations of Retrieval-Augmented Generation in the Legal Domain

    Jun 8, 2026Hudson de MartimRetrieval-Augmented GenerationLegal IR

    Federal Senate of Brazil, Brasília, Brazil

  22. Maat: The Agentic Legal Research Assistant for Competition Protection

    May 26, 2026Basant Mounir, Farida Madkour, Amira Abdelaziz +1Legal IRAgentic Search

    Cairo, Egypt

  23. Retrieval-Augmented Detection of Potentially Abusive Clauses in Chilean Terms of Service

    May 25, 2026Christoffer Loeffler, Tomás Rey Pizarro, Daniel Ignacio Miranda Vásquez +1Retrieval-Augmented GenerationLegal NLP

    School of Computer Engineering, Pontificia Universidad Católica de Valparaíso, Brasil 2950, Valparaíso, 2340025, Chile. · Faculty of Law, Universidad Adolfo Ibáñez, Av. Padre Hurtado 750,2026 Viña del Mar, 2581793, Chile.

  24. Decompose-and-Refine: Structured Legal Question Answering with Parametric Retrieval

    May 23, 2026Jihyung lee, Hyounghun Kim, Gary LeeMulti-Hop QALegal IR

    Graduate School of Artificial Intelligence, POSTECH, Republic of Korea · Department of Computer Science and Engineering, POSTECH, Republic of Korea

  25. Benchmarking Patent Embeddings: A Multi-Task Evaluation of 22 Models Across Retrieval, Classification, and Clustering

    May 22, 2026Amirhossein Yousefiramandi, Ciaran CooneyLegal IRClustering

    Clarivate, Intellectual Property Barcelona, Spain 08025

  26. Fine-grained Claim-level RAG Benchmark for Law

    May 20, 2026Souvick Das, Sallam Abualhaija, Domenico BianculliLegal IRLegal QA

    University of Luxembourg

  27. Chunking German Legal Code

    May 19, 2026Max Prior, Natalia Milanova, Andreas SchultzDocument ChunkingRetrieval-Augmented Generation

    Technical University of Munich, Boltzmannstraße 3, 85748 Garching near Munich

  28. Temporal Decay of Co-Citation Predictability: A 20-Year Statute Retrieval Benchmark from 396M Ukrainian Court Citations

    May 17, 2026Volodymyr OvcharovLegal IRTemporal IR

    LEX AI LLC, Kyiv, Ukraine

  29. LegalCiteBench: Evaluating Citation Reliability in Legal Language Models

    May 11, 2026Sijia Chen, Hang Yin, Shunfan ZhouLLM EvaluationLegal IR

    Northeastern University · Phala

  30. NyayaAI: An AI-Powered Legal Assistant Using Multi-Agent Architecture and Retrieval-Augmented Generation

    May 11, 2026Deepanshu, Divi Saxena, Deepali Rana +2Multi-Agent LLM SystemsLegal IR

    School of Computer Science UPES, Dehradun, India

  31. Heterogeneous Dependency Graph-Guided Attentionfor Patent Representation Learning

    May 11, 2026Yongmin Yoo, Qiongkai Xu, Zhangkai Wu +1Representation LearningLegal IR

    Frontier AI Research Centre, Macquarie University

  32. Is It Novel and Why? Fine-Grained Patent Novelty Prediction Based on Passage Retrieval

    May 4, 2026Valentin Knappich, Anna Hätty, Simon Razniewski +1Legal IR

    Bosch Center for AI Stuttgart, Germany · University of Augsburg Augsburg, Germany · ScaDS.AI & TU Dresden Dresden, Germany

  33. Kernel Affine Hull Machines as Compute-Efficient Encoders for Frozen Semantic Spaces

    May 1, 2026Mohit Kumar, Somayeh Kargaran, Bernhard A. Moser +1Legal IRKernel Methods

    University of Rostock, Germany · Software Competence Center Hagenberg GmbH, Austria Hagenberg, Austria

  34. GLIER: Generative Legal Inference and Evidence Ranking for Legal Case Retrieval

    Apr 26, 2026Minghan Li, Tianrui Lv, Chao Zhang +1Legal IRLearning to Rank

    Soochow University, Suzhou, China

  35. Citation-Driven Multi-View Training for Patent Embeddings: QaECTER and Sophia-Bench

    Apr 24, 2026Younes Djemmal, You Zuo, Kim Gerdes +1Legal IRText Embedding Models

    ALMAnaCH · 1AI Lab, Questel, Paris, France · 3Inria, Paris, France +3

  36. Patent Representation Learning via Self-supervision

    Nov 3, 2025You Zuo, Kim Gerdes, Éric de la Clergerie +1Contrastive LearningRepresentation Learning

    ALMAnaCH · Inria Paris, France · Questel Paris, France +2

  37. Scaling Legal AI: Benchmarking Mamba and Transformers for Statutory Classification and Case Law Retrieval

    Aug 29, 2025Anuraj MauryaLegal NLPText Classification

    Bengaluru, India