Thomson Reuters Legal incident
AI research features within Westlaw and CoCounsel are failing
Thomson Reuters Legal experienced a major incident on March 31, 2026 affecting Practical Law US and CoCounsel Core and 1 more component, lasting 2h 22m. The incident has been resolved; the full update timeline is below.
Affected components
Practical Law USCoCounsel CorePractical Law CanadaCoCounsel DraftingPractical Law UKWestlaw USWestlaw CanadaPractical Law ANZWestlaw UKWestlaw ANZ
Update timeline
- investigating Mar 31, 2026, 06:08 PM UTC
We are currently investigating this issue.
- resolved Mar 31, 2026, 08:31 PM UTC
This incident has been resolved.