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CanLII Search+
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About CanLII Search+
CanLII Search+ is a generative AI layer built on the Canadian Legal Information Institute’s database, enabling users to search Canadian case law, legislation, and legal commentary without needing precise legal terminology. The tool translates natural language questions into structured queries, retrieves relevant results, and ranks them by relevance with contextual analysis. Users can filter results by jurisdiction, time period, and document type to refine their searches. Each result includes relevance scores and direct links to the original CanLII documents, ensuring verifiable sources and reducing the risk of AI-generated inaccuracies. Access is free with a myCanLII account, though daily usage limits apply. It supports legal professionals, researchers, students, and self-represented litigants by simplifying complex legal research tasks. The tool launched in 2026 and is designed to assist anyone seeking Canadian legal information, not just licensed lawyers.
CanLII
Canada · Founded 2001
- Founded
- 2001
- Headquarters
- Canada
Key features
- Plain language query support for non-legal users
- Structured search conversion from natural language
- Relevance scoring and contextual analysis of results
- Filtering by jurisdiction, time period, and document type
- Direct links to original CanLII sources for verification
- Daily usage caps (4 analyses and 10 search generations)
- Free access with a myCanLII account
- Supports case law, legislation, and legal commentary
- No legal advice substitution
Use cases
- Researching Canadian case law using everyday language
- Finding relevant legislation by topic or jurisdiction
- Analyzing court decisions for key passages and citations
Pros
- Enables natural language queries for Canadian legal research without requiring precise legal terminology
- Ranks and prioritizes results by relevance with contextual analysis and extracted key passages
- Provides transparent, verifiable sources directly linked to original CanLII documents
- Offers free access with a myCanLII account, supporting legal professionals, researchers, students, and the public
- Includes built-in filters for jurisdiction, time period, and document type to refine searches
Cons
- Results require verification against original sources due to potential AI-generated inaccuracies
- Daily usage limits apply per user despite free access
- Does not provide legal advice or replace professional legal consultation
- Effectiveness depends on the precision of user questions for optimal results
Frequently asked questions about CanLII Search+
What is CanLII Search+?
CanLII Search+ is an AI-powered tool designed to assist users in conducting legal research on the Canadian Legal Information Institute’s database. It allows users to pose questions in natural language, which the tool translates into structured queries to retrieve relevant case law, legislation, and legal commentary from CanLII.
Who can use CanLII Search+?
The tool is accessible to all users of CanLII, including legal professionals, students, researchers, and members of the public. It aims to democratize access to legal information in Canada by simplifying complex legal research tasks.
How does the natural language search feature work?
Users can describe their legal research need in plain language, including context such as jurisdiction, time period, document type, and legal question. The tool automatically translates the query into a structured search and applies relevant filters to refine results.
What are the main limitations of CanLII Search+?
The tool may produce errors or inaccuracies, does not provide legal advice, and requires users to verify results against original sources. Only the original legal documents on CanLII hold authoritative value, and users must consult them directly.
How is user privacy protected with CanLII Search+?
CanLII has implemented measures to protect user data, ensuring compliance with privacy standards while enabling access to its legal research tools.
How can I get started with CanLII Search+?
Users can create a free myCanLII account or log in to an existing one to access CanLII Search+. A usage guide and webinars are available to help users learn how to maximize the tool’s features.
