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| title: ClauseGuard | |
| emoji: 🛡️ | |
| colorFrom: gray | |
| colorTo: gray | |
| sdk: gradio | |
| sdk_version: "5.23.0" | |
| python_version: "3.12" | |
| app_file: app.py | |
| pinned: false | |
| # 🛡️ ClauseGuard — AI Contract Analysis | |
| **The world's most comprehensive open-source legal contract analysis tool.** | |
| ClauseGuard automatically analyzes legal contracts using state-of-the-art NLP models fine-tuned on legal data. | |
| ## ✨ Features | |
| ### Core Analysis | |
| - **41 CUAD Clause Categories** — Detects and classifies clauses across the full [CUAD](https://huggingface.co/datasets/theatticusproject/cuad-qa) taxonomy (Document Name, Parties, Governing Law, Indemnification, Termination, Non-Compete, IP Ownership, etc.) | |
| - **4-Tier Risk Scoring** — Critical / High / Medium / Low with visual risk matrix | |
| - **Legal NER** — Extracts parties, dates, monetary values, jurisdictions, defined terms | |
| - **NLI Contradiction Detection** — Identifies conflicting clauses and missing critical provisions | |
| - **PDF / DOCX / TXT Support** — Upload any contract format | |
| ### UI/UX | |
| - **3-Panel Professional Layout** — Sidebar upload + Main analysis + Summary dashboard | |
| - **Document Viewer** — Text with inline entity highlights | |
| - **Clause Cards** — Expandable cards with risk badges and descriptions | |
| - **Export Reports** — JSON (structured data) and CSV (tabular) downloads | |
| - **Color-Coded Risk Badges** — Visual indicators for quick triage | |
| ## 🧠 Models Used | |
| | Component | Model | | |
| |-----------|-------| | |
| | Clause Classification | `Mokshith31/legalbert-contract-clause-classification` (LoRA on `nlpaueb/legal-bert-base-uncased`) | | |
| | Fallback Detection | Regex patterns covering 15+ clause types | | |
| | NER | Rule-based with 7 entity types (dates, money, parties, jurisdictions, defined terms) | | |
| | NLI | Heuristic contradiction detection across 5 conflict patterns | | |
| ## 📚 Datasets | |
| - [CUAD](https://huggingface.co/datasets/theatticusproject/cuad-qa) — 510 contracts, 13K annotations, 41 clause categories | |
| - [LegalBench](https://huggingface.co/datasets/nguha/legalbench) — 322 legal reasoning tasks | |
| - [LexGLUE](https://huggingface.co/datasets/coastalcph/lex_glue) — Unfair Terms of Service classification | |
| ## 🚀 Usage | |
| 1. Upload a contract (PDF, DOCX, or TXT) or paste text directly | |
| 2. Click **Analyze Contract** | |
| 3. View results across tabs: Document, Clauses, Entities, Contradictions | |
| 4. Download JSON/CSV reports | |
| ## ⚠️ Disclaimer | |
| *Not legal advice. ClauseGuard is an AI-powered analysis tool for informational purposes only. Always consult a qualified attorney for legal decisions.* | |
| ## 🔗 Links | |
| - [Space](https://huggingface.co/spaces/gaurv007/ClauseGuard) | |
| - [CUAD Paper](https://arxiv.org/abs/2103.06268) | |
| - [LegalBench](https://huggingface.co/datasets/nguha/legalbench) | |