Thomson Reuters Legaltech Platform incident
AI research features within Westlaw and CoCounsel are failing
Thomson Reuters Legaltech Platform experienced a major incident on March 31, 2026 affecting Practical Law US and CoCounsel Core and 1 more component, lasting 8h 48m. 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, 10:33 PM UTC
We are currently investigating this issue.
- investigating Apr 01, 2026, 07:17 AM UTC
We are continuing to investigate this issue.
- resolved Apr 01, 2026, 07:21 AM UTC
This incident has been resolved.