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Built for Ontario practice

Ontario legal sources

ROSS can help you find Ontario and federal legislation and search available Canadian decisions.

Status

Ontario legislation is available. Case coverage varies by court, date, and source, so always check the original source.

Optional CourtListener access

Use your own CourtListener key

CourtListener is separate from CanLII. First create a CourtListener account, then open its API-token page to get your key. Paste it into the CourtListener field on the ROSS Account → API keys page.

CourtListener mainly covers U.S. material. ROSS does not provide or share a CourtListener key.

Optional CanLII access

Ask CanLII for your own API key

ROSS works without a CanLII key, but connecting your own authorized key can make Canadian legal research more useful. Ask CanLII for access through its feedback page. If CanLII gives you a key, paste it into the CanLII field on the ROSS Account → API keys page. ROSS does not provide a shared key or scrape CanLII.

01

What you will see

When the information is available, ROSS shows the jurisdiction, court, source link, version, date retrieved, and what has been checked.

02

Sources

ROSS uses A2AJ and official government websites for Canadian research. CourtListener is available for optional U.S. research. You can also ask CanLII for your own API key to improve access to Canadian legal information. ROSS does not scrape CanLII or provide a shared key.

03

Known limits

Some courts, tribunals, older material, and later case treatment may be missing. Do not assume that a search result is complete or that a case is still good law.

About this page

Who is responsible for this information.

Responsible person or team
Abhi Ranade
Reviewed by
Independent Ontario lawyer
Review status
Independently reviewed
Last reviewed
2026-07-18

Open source

See the project behind ROSS.