# Thomson Reuters Legal outage on 27 October 2026

> On 27 October, Thomson Reuters Legal had a critical outage from 01:20 to 03:55 UTC (2 h 35 min), during which, according to its status page, users had trouble signing in through its CIAM authentication system. The problem was first reported for HighQ users globally, then extended to Westlaw, Practical Law and CLEAR from 01:36, CoCounsel Core from 01:57 and Westlaw Japan from 02:36. The status page said a fix was in place at 03:18 and marked the incident resolved at 03:49. Musixmatch also reported a minor issue with its lyrics website at the same time.

- Service: [Thomson Reuters Legal](https://stackpulse.app/services/thomson-reuters-legal.md)
- Severity: critical
- Title on the status page: Minor Service Outage
- Started: 2026-10-27 01:20 UTC
- Ended: 2026-10-27 03:55 UTC
- Lasted: 2 h 35 min
- Incident open on the status page: 01:20–03:49 UTC
- The status page's incident: https://stspg.io/9ztp55mh41pj
- Page: https://stackpulse.app/services/thomson-reuters-legal/outages/2026-10-27-0120

## What broke when (UTC)

| Component | Status | From | To |
|---|---|---|---|
| HighQ - APAC HighQ (Collaborate) | partial outage | 2026-10-27 01:20 | 2026-10-27 03:49 |
| HighQ - CAN HighQ (Collaborate) | partial outage | 2026-10-27 01:20 | 2026-10-27 03:49 |
| HighQ - EMEA HighQ (Collaborate) | partial outage | 2026-10-27 01:20 | 2026-10-27 03:49 |
| HighQ - UAE HighQ (Collaborate) | partial outage | 2026-10-27 01:20 | 2026-10-27 03:49 |
| HighQ - UK HighQ (Collaborate) | partial outage | 2026-10-27 01:20 | 2026-10-27 03:49 |
| HighQ - USA HighQ (Collaborate) | partial outage | 2026-10-27 01:20 | 2026-10-27 03:49 |
| Westlaw - Westlaw US | partial outage | 2026-10-27 01:36 | 2026-10-27 03:49 |
| Westlaw - Westlaw Canada | partial outage | 2026-10-27 01:36 | 2026-10-27 03:49 |
| Westlaw - Westlaw UK | partial outage | 2026-10-27 01:36 | 2026-10-27 03:49 |
| Westlaw - Westlaw ANZ | partial outage | 2026-10-27 01:36 | 2026-10-27 03:49 |
| Westlaw - Westlaw International | partial outage | 2026-10-27 01:36 | 2026-10-27 03:49 |
| Practical Law - Practical Law US | partial outage | 2026-10-27 01:36 | 2026-10-27 03:49 |
| Practical Law - Practical Law Canada | partial outage | 2026-10-27 01:36 | 2026-10-27 03:49 |
| Practical Law - Practical Law UK | partial outage | 2026-10-27 01:36 | 2026-10-27 03:49 |
| Practical Law - Practical Law ANZ | partial outage | 2026-10-27 01:36 | 2026-10-27 03:49 |
| CLEAR - CLEAR | partial outage | 2026-10-27 01:36 | 2026-10-27 03:49 |
| CoCounsel Legal - CoCounsel Core - US | partial outage | 2026-10-27 01:57 | 2026-10-27 03:49 |
| CoCounsel Legal - CoCounsel Core - CAN | partial outage | 2026-10-27 01:57 | 2026-10-27 03:49 |
| CoCounsel Legal - CoCounsel Core - UK | partial outage | 2026-10-27 01:57 | 2026-10-27 03:49 |
| CoCounsel Legal - CoCounsel Core - AU | partial outage | 2026-10-27 01:57 | 2026-10-27 03:49 |
| CoCounsel Legal - CoCounsel Core - EU | partial outage | 2026-10-27 01:57 | 2026-10-27 03:49 |
| Westlaw - Westlaw Japan | partial outage | 2026-10-27 02:36 | 2026-10-27 03:49 |

## At the same time

- [Musixmatch](https://stackpulse.app/services/musixmatch.md): issue from 2026-10-27 02:29 UTC

Problems at the same time are a clue, never proof that one caused another.

Stackpulse isn't affiliated with Thomson Reuters Legal.