Counsel Stack

What is Counsel Stack?

Counsel Stack is a legal research platform designed to deliver deep research for U.S. law, with an emphasis on structured citation verification.

Counsel Stack Solutions

Counsel Stack offers three core solutions designed to support attorneys in conducting legal research, managing document-intensive workflows, and growing their practices: Research, Review, and Leads. Each offering addresses a distinct area of legal work, enhancing efficiency, accuracy, and strategic decision-making.

Research
Designed for in-depth legal analysis across jurisdictions and domains.

Counsel Stack’s Research solution enables attorneys to explore complex legal topics with confidence. Built by legal professionals, the platform provides access to a comprehensive repository of statutes, regulations, rules, and case law. Features include:

• Deep research capabilities grounded in legal reasoning and designed for practitioner use
• Structured citation verification and analysis of stare decisis to minimize hallucinations and errors
• Lawyer-in-the-loop workflows to ensure reliable source validation
• Options to export research output in .pdf or .docx formats for documentation or filing

This tool is particularly well-suited for attorneys handling matters involving interrelated legal issues or novel areas of law.

Review
Optimized for document-heavy workflows and data extraction tasks.

The Review solution supports attorneys and legal teams tasked with analyzing large volumes of documents. Whether reviewing case files, discovery materials, or multimedia evidence, this tool streamlines the review process by offering:

• Batch uploading of documents, audio files, and images (supports files up to 200MB)
• Smart search functionality using natural language and tags
• Automated generation of chronologies and extraction of structured data into tables
• Multi-document Q&A functionality with page-level citations for traceability

Ideal for litigation, compliance, and due diligence workstreams, Review reduces the time spent on manual data extraction and helps identify key insights more efficiently.

Leads
Supports business development efforts with targeted client acquisition.

The Leads solution helps attorneys build and diversify their client base by delivering pre-screened legal inquiries. It is designed for firms seeking to expand within existing practice areas or test new markets. Key features include:

• Delivery of qualified leads across 50+ practice areas
• Geographic targeting by ZIP code
• No-commitment service with the ability to cancel at any time
• Refunds for low-quality leads to ensure value
• Optional access to Enriched Legal Leads with additional client insights

This offering is intended for firms looking to maintain a steady pipeline or explore new areas of legal service.

Addressing the Complexity of Legal Research

Attorneys face the daily challenge of navigating complex federal, state, and local laws, inter-jurisdictional legal frameworks, and intricate fact patterns. This complexity often results in high research costs—both financially and in terms of attorney time. While general-purpose language models offer some utility, they are typically not optimized for the specific needs of legal professionals and often lack the rigorous source verification required to build legal arguments and meet the expectations of well-informed clients.

How Counsel Stack Differs from Other Research Tools

Counsel Stack is purpose-built for attorneys. Its team includes licensed lawyers, software engineers, and AI specialists. The platform deploys a "virtual law firm" of specialized language models, each assigned to different legal data sources and research tasks. These models retrieve relevant statutes, regulations, rules, and case law, while also generating a structured citation audit trail to support verification and documentation requirements.