CoCounsel finds cases. MedLegal AI builds the case. They sit on Westlaw's editorial library. We sit on the workflow that decides whether you sign the retainer.
Casetext was acquired by Thomson Reuters in 2023; the standalone product was sunset on March 31, 2025. The CoCounsel name now lives inside the broader Westlaw bundle. It's a strong general-purpose legal research tool. Plaintiff medical-malpractice firms have a different problem — and a different budget.
| Feature | CoCounsel | MedLegal AI |
|---|---|---|
| Daubert / expert-vulnerability workup | ✗ | ✓ |
| 9-source witness research (NPI, state board, SEC, news, social, academic, etc.) | Partial | ✓ |
| Specialty-specific standard-of-care templates (OB, ER, anesthesia, surgery) | ✗ | ✓ |
| Causation chain tied to peer-reviewed literature | ✗ | ✓ |
| Medical chronology / record summarization | General | ✓ |
| Demand letter drafter (med-mal-shaped) | ✗ | ✓ |
| Deposition outline generator | ✓ (general) | ✓ (specialty-aware) |
| 50-state SOL calculator | ✗ | ✓ |
| Medicare / Medicaid lien math | ✗ | ✓ |
| Massive case-law corpus (Westlaw editorial) | ✓ | ✗ |
| KeyCite citation checking | ✓ | ✗ |
| Document review at e-discovery scale | ✓ | Per-case |
| Embedded AI assistant ("chat with case") | ✓ | ✓ |
| Specialty-trained for plaintiff med-mal | ✗ | ✓ |
| Pricing model | Per-seat / annual | Flat firm-wide / month |
CoCounsel assumes you have a case and need research. MedLegal AI is designed for the upstream decision: "Is this a case?" Daubert feasibility, expert vetting, SOL, and lien math are first-class workflows — not generic deposition outlines. That intake-stage evaluation is the workflow plaintiff med-mal actually runs.
Specialty standard-of-care templates (OB, ER, anesthesia, surgery), causation chains tied to peer-reviewed literature, NPI lookups, state medical-board sanction checks — none of that is in CoCounsel because CoCounsel serves every practice area. We serve one. The whole 23-tool surface is tuned for plaintiff med-mal.
CoCounsel is priced per seat for hourly-billing firms. A 5-lawyer plaintiff firm pays roughly $1,125–$2,500/mo for CoCounsel before Westlaw bundling. MedLegal AI is $99–$499/mo flat, regardless of headcount — the economic shape contingency practices want.
If your work depends on deep case-law research across federal and 50-state corpora, KeyCite citation checking, and e-discovery-grade document review, CoCounsel sits on top of decades of Thomson Reuters editorial infrastructure. We don't compete with Westlaw on case-law breadth and don't try to. Plaintiff med-mal firms that need both can — and often do — run CoCounsel for research alongside MedLegal AI for case-building.
Full access to all 23 tools. No credit card. No setup fees. Cancel anytime.
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