Thomson Reuters Legaltech Platform incident
AI Assisted Research Disruption
Thomson Reuters Legaltech Platform experienced a major incident on March 31, 2026 affecting Practical Law US and CoCounsel Core and 1 more component, lasting 4h 34m. 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, 12:28 AM UTC
We are currently conducting several updates which may result in service downtime for AI assisted research features. We expect systems will be restored shortly - thank you for your patience.
- resolved Mar 31, 2026, 05:03 AM UTC
AI assisted research features are now operational