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 1h 7m. 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, 10:53 AM UTC
We are currently investigating this issue.
- resolved Mar 31, 2026, 12:00 PM UTC
This issue is resolved. AI research features are operating normally.