Core Insights - The article presents a comprehensive review of the application of Large Language Models (LLMs) in the legal field, introducing an innovative dual perspective classification method that integrates legal reasoning frameworks with professional ontology [1][3][5] - It highlights the advancements of LLMs in legal text processing, knowledge integration, and formal reasoning, while also addressing core issues such as hallucinations, lack of interpretability, and cross-jurisdictional adaptability [1][5][12] Group 1: Technological Advancements - Traditional legal AI methods are limited by symbolic approaches and small model techniques, facing challenges such as knowledge engineering bottlenecks and insufficient semantic interoperability [6][8] - The emergence of LLMs, powered by Transformer architecture, has successfully overcome the limitations of earlier systems through context reasoning, few-shot adaptation, and generative argumentation capabilities [6][12] - The legal sector's demand for complex text processing, multi-step reasoning, and process automation aligns well with the emerging capabilities of LLMs [8][12] Group 2: Ethical and Governance Challenges - The practical application of technology in the legal field is accompanied by ethical risks, such as the amplification of biases and the weakening of professional authority, necessitating a systematic research framework to integrate technology, tasks, and governance [3][8][11] - The review systematically analyzes ethical challenges faced by legal practitioners, including technical ethics and legal professional responsibilities, expanding user-centered ontology research for LLM deployment [11][12] Group 3: Research Contributions - The study employs an innovative dual perspective framework that combines legal argumentation types with legal professional roles, significantly advancing research in the field [9][12] - It constructs a legal reasoning ontology framework that aligns the Toulmin argument structure with LLM workflows, integrating contemporary LLM advancements with historical evidence research [9][10] - A role-centered deployment framework for LLMs is proposed, merging litigation and non-litigation workflows to meet the demand for smarter tools in legal practice [10][12] Group 4: Future Directions - Future research should prioritize multi-modal evidence integration, dynamic rebuttal handling, and aligning technological innovations with legal principles to create robust and ethically grounded legal AI [13] - The article advocates for a legal profession-centered strategy, positioning LLMs as supportive tools rather than decision-makers, ensuring human oversight at critical junctures [13]