Legal Intelligence Powered by Custom LLMs
RIWEN transforms how legal professionals work. Our generative AI platform is purpose-built for law firms and in-house legal teams, delivering unprecedented accuracy in legal research, document drafting, and precedent analysis. Trusted by leading law firms handling the most complex matters.
We build legal-native AI that understands the law.
Unlike general-purpose AI tools retrofitted for legal work, RIWEN was built from the ground up by legal technologists and practicing attorneys who understand the precision and nuance that legal work demands.
Our platform leverages custom large language models trained specifically on legal corpora spanning millions of case opinions, statutes, regulations, and legal treatises. We partner with a leading legal information provider to ensure our AI has access to the most comprehensive and current legal data available.
The result is an AI that doesn't just process legal text—it understands legal reasoning, recognizes jurisdictional nuances, and generates work product that meets the exacting standards of top-tier law firms and corporate legal departments.
Deep Legal Understanding
Our models are trained on over 50 million legal documents, including case law, statutes, regulations, contracts, and legal commentary spanning all major practice areas and jurisdictions.
Attorney Approval Rate
Outputs consistently meet professional standards with minimal revision needed.
Faster Document Review
Accelerate due diligence and contract analysis without sacrificing thoroughness.
What RIWEN Does Best
Three core competencies powered by custom LLMs designed specifically for the legal profession. Each capability is built to augment attorney expertise, not replace it.
Legal Research & Discovery
Surface relevant case law, statutes, and regulations in seconds. Our AI understands legal context and provides comprehensive research memos with proper citations and analysis.
Intelligent Document Drafting
Generate first drafts of legal documents that reflect current best practices and your firm's style. From complex litigation briefs to routine contracts, reduce drafting time while maintaining quality.
Contract Analysis & Review
Accelerate due diligence with AI-powered contract review. Identify risks, extract key provisions, and compare terms against market standards and your preferred positions.
Regulatory Monitoring
Stay ahead of regulatory changes with automated monitoring and analysis. Get alerts on developments that impact your clients and practice areas, with plain-language summaries of complex regulatory texts.
Knowledge Management
Transform your firm's collective knowledge into a searchable, intelligent asset. RIWEN learns from your work product, enabling attorneys to leverage institutional expertise across practice groups.
Matter Intelligence
Get comprehensive insights on judges, opposing counsel, and case outcomes. Our AI analyzes litigation history to inform strategy and predict outcomes based on historical patterns.
Built for How Lawyers Actually Work
RIWEN integrates seamlessly into existing legal workflows. Whether you prefer a conversational interface, structured research tools, or API access for custom integrations, our platform adapts to your practice.
Ask questions in plain English and get comprehensive legal analysis. No need to learn complex search syntax or Boolean operators.
Connect with iManage, NetDocuments, and other DMS platforms. Access and analyze documents without leaving your workflow.
Use RIWEN directly within Word, Outlook, and other productivity tools. Draft and research without switching applications.
Build custom applications and automations with our comprehensive API. Integrate legal AI into any workflow or system.
Purpose-Built Legal LLMs
Three generations of custom language models, each designed to excel at specific legal tasks while maintaining the highest standards of accuracy and reliability.
RIWEN Research Engine
Our foundational research model, trained on over 50 million legal documents including case law, statutes, regulations, and secondary sources. It understands legal reasoning, citation networks, and jurisdictional hierarchies.
RIWEN Draft Assistant
Our document generation model, fine-tuned on millions of legal documents from top-tier law firms. It produces work product that matches the style, structure, and quality of experienced practitioners.
RIWEN Contract Analyzer
Our specialized contract analysis model, trained on millions of commercial agreements across all major transaction types. It identifies risks, extracts provisions, and benchmarks terms against market standards.
From Question to Insight in Seconds
RIWEN's workflow is designed to feel natural to legal professionals while delivering the speed and scale advantages of AI.
Ask Your Question
Describe your research question, drafting need, or document to analyze in plain English. No complex syntax required.
AI Analysis
RIWEN's legal LLMs process your request, searching millions of documents and applying legal reasoning to generate results.
Review Results
Receive comprehensive analysis with cited sources, drafted documents, or extracted insights—all verified for accuracy.
Refine & Export
Iterate with follow-up questions, refine outputs, and export directly to your document management system or workflow.
Transforming Legal Work Across Practice Areas
From complex litigation to high-volume transactional work, RIWEN adapts to the unique demands of every practice area and matter type.
Complex Litigation
LitigationAccelerate motion practice and brief writing with AI-powered research that identifies the most relevant precedents and helps construct compelling legal arguments. RIWEN understands procedural requirements across jurisdictions and generates first drafts that reflect best practices.
Mergers & Acquisitions
CorporateTransform due diligence with AI-powered contract analysis that identifies material risks, extracts key terms, and benchmarks provisions against market standards. Process thousands of contracts in hours instead of weeks while maintaining thoroughness.
Regulatory Compliance
RegulatoryStay ahead of regulatory changes with automated monitoring and analysis. RIWEN tracks federal and state regulatory developments, identifies impacts on your clients, and generates plain-language summaries of complex regulatory texts.
Intellectual Property
IPAccelerate patent prosecution, trademark clearance, and IP litigation with AI-powered prior art search, claim analysis, and infringement assessment. RIWEN understands the technical and legal nuances of intellectual property matters.
Employment Law
EmploymentNavigate the complexities of employment law across multiple jurisdictions with AI-powered research and document drafting. From employment agreements to workplace investigations, RIWEN understands the nuances of labor and employment matters.
Real Estate Transactions
Real EstateStreamline commercial real estate transactions with AI-powered due diligence, lease abstraction, and document generation. RIWEN analyzes property documents, identifies title issues, and generates comprehensive transaction summaries.
Built for the Most Sensitive Legal Work
RIWEN was designed from the ground up to meet the rigorous security and confidentiality requirements of elite law firms and corporate legal departments.
End-to-End Encryption
All data encrypted in transit and at rest using AES-256 encryption. Your privileged communications remain protected at every step.
Data Isolation
Complete tenant isolation ensures your firm's data is never commingled with other organizations or used to train models for other clients.
Access Controls
Granular role-based permissions, multi-factor authentication, and integration with your existing identity provider through SAML and OIDC.
Audit Logging
Comprehensive audit trails for all platform activity, supporting compliance requirements and enabling security monitoring.
Your expertise. Amplified.
RIWEN doesn't replace attorneys—it makes them more effective, efficient, and impactful. Focus on strategy while AI handles the heavy lifting.
Understanding RIWEN's Legal AI Architecture
Our platform combines cutting-edge language model technology with deep legal domain expertise. Here's how the key components work together to deliver reliable, accurate legal AI.
Works With Your Existing Tools
RIWEN integrates seamlessly with the document management systems, productivity tools, and legal research platforms you already use.
Don't see your tool? We're constantly adding new integrations.
Request IntegrationCommon Questions About RIWEN
Answers to the questions we hear most often from law firms and legal departments evaluating legal AI solutions.
Every citation RIWEN generates goes through multi-stage verification. We check that cited cases exist in authoritative databases, verify quoted text against original sources, analyze current treatment and validity, and confirm that citations support the legal propositions stated. This process achieves 99.2% citation accuracy.
No. Your firm's data is never used to train models that serve other clients. We maintain complete tenant isolation, and your confidential information remains protected. Your data can be used to fine-tune models exclusively for your firm's use if you choose, but this is entirely optional.
General-purpose AI models lack the specialized legal training, citation verification, and jurisdictional awareness that legal work demands. RIWEN's models are trained specifically on legal corpora and designed for professional legal use, with built-in safeguards against hallucination and inaccuracy that general tools lack.
RIWEN supports all major practice areas including litigation, corporate/M&A, intellectual property, employment, real estate, regulatory compliance, and more. Our models are trained on diverse legal content and can adapt to the specific terminology and conventions of different practice areas.
Implementation typically takes 2-4 weeks depending on integration requirements. Our team handles SSO configuration, DMS integration, and user training. We provide dedicated support during rollout and ongoing access to our customer success team.
Yes. RIWEN can learn your firm's document styles, preferred clause language, formatting conventions, and internal precedents. Custom playbooks can be configured for contract review, and the platform adapts to your firm's specific terminology and practice standards.
Training and Support
Every RIWEN deployment includes comprehensive training to ensure your team gets maximum value from the platform. Our legal AI specialists work directly with your attorneys and staff to build proficiency and confidence.
Ethical AI Commitment
We believe responsible AI development is essential for the legal profession. RIWEN is committed to transparency, accuracy, and supporting—not replacing—professional judgment.
Ready to Transform Your Legal Practice?
Schedule a personalized demo to see how RIWEN can help your firm work smarter, faster, and more efficiently. Our team will walk you through the platform and answer any questions about implementation, security, or capabilities.
Los Angeles, CA 90023