Insights AI News How to choose professional legal AI: 7 must-have criteria
post

AI News

05 Nov 2025

Read 15 min

How to choose professional legal AI: 7 must-have criteria

How to choose professional legal AI that secures data, integrates with systems and boosts productivity.

Wondering how to choose professional legal AI? Start with seven essentials: transparent workflows, legal-grade data, strong security, human review, seamless integrations, proven accuracy, and real support at scale. Combined with agentic AI for execution and generative AI for drafting, these standards protect clients and speed results while keeping you in control. Legal teams want speed without risk. The best way to get both is to combine two types of AI. Generative AI writes drafts, summaries, and answers. Agentic AI follows directions, moves through steps, and finishes tasks across your systems. When these work together in one platform, work flows from creation to action with less friction. This guide explains how to choose professional legal AI that is safe, dependable, and worth the time to deploy. You will learn the core features that separate consumer tools from professional platforms, see how GenAI and agentic AI fit into daily legal work, and get a simple rollout plan your team can follow.

The new legal AI stack: content plus action

Generative AI writes and summarizes

GenAI turns prompts into drafts. It can summarize case law, outline a motion, or highlight risky clauses. It is fast at language tasks and helps you start strong. But GenAI alone does not file, notify, or update your systems.

Agentic AI executes steps and closes loops

Agentic AI plans and completes multi-step work. It can check calendars, trigger filings, log activities in your matter system, and notify clients. It adapts if a tool is unavailable and finds another route to finish the job. It is always under human oversight. You approve key steps and keep control of strategy and judgment.

Why the combination matters

Legal work is a chain of steps. GenAI creates a solid draft. Agentic AI updates the record, sends the draft to the right people, follows up, and files when approved. Together they reduce handoffs, save time, and cut admin load. This is the practical path to better outcomes with less busywork.

How to choose professional legal AI that meets real-world demands

Below are the seven must-have criteria. Use them as a checklist when you evaluate vendors or build an internal business case.

1) Transparent workflows and explainability

You need to see how the system reached a result. You also need to know what it did on your behalf.
  • Trace each step. Can the tool show sources, prompts, and actions taken?
  • Explain legal citations and retrieval. Does it point to trusted content, not just open web pages?
  • Provide audit logs. Can you export logs for supervision and client audits?
  • Support review gates. Can you require approval before key actions (send, file, publish)?
What to ask: “Show me the full path from prompt to final output, including data sources and any system actions.”

2) Legal-grade data and grounding

Professional outputs depend on professional inputs. The model must rely on up-to-date, high-quality legal content and robust retrieval.
  • Use domain-specific training and retrieval. Is it grounded in statutes, regulations, case law, forms, and practice guides?
  • Refresh content often. Are updates frequent and documented?
  • Control citations. Can you restrict to approved sources and jurisdictions?
  • Guard against hallucinations. Is retrieval augmented generation (RAG) used with confidence scores?
What to ask: “How do you ensure answers are grounded in current, authoritative legal sources?”

3) Security and compliance you can verify

Client data needs strong protection that meets your obligations and your clients’ vendor requirements.
  • Independent audits. SOC 2 Type II, ISO 27001, and regular penetration tests.
  • Data residency and sovereignty options. Can you select regions as required?
  • Privacy controls. GDPR compliance, clear data retention, and deletion policies.
  • No unauthorized training on your data. Can you opt out of model training and confirm it in writing?
  • Secret management. KMS integration, per-tenant encryption keys, and role-based access control.
What to ask: “Provide current certifications, architecture diagrams, and a data use policy we can attach to our engagement letter.”

4) Human-in-the-loop by design

Professional judgment sits with you. AI should propose, not impose.
  • Review and approve. You decide before anything leaves your firm.
  • Configurable guardrails. Set redlines, jurisdiction limits, and escalation rules.
  • Editable outputs. Easy to update drafts, citations, or task parameters.
  • Clear fallbacks. If the system is unsure, it asks, not acts.
What to ask: “Show me the approval points and how I can change them per matter type.”

5) Seamless integration with your stack

AI must work where you work: in your DMS, email, calendars, e-discovery, CRM, and Microsoft 365.
  • Native connectors. SharePoint, OneDrive, Outlook, Teams, iManage/NetDocuments, e-filing portals, and practice management tools.
  • APIs and event hooks. Trigger workflows from documents, emails, or status changes.
  • Identity and SSO. SAML/OIDC, SCIM provisioning, and fine-grained permissions.
  • Context persistence. Carry matter context across tools without copy-paste.
What to ask: “Walk through a real workflow from a Word draft to filing and CRM follow-up—no manual exports.”

6) Proven accuracy and performance

Claims are not enough. Ask for evidence that the system performs on legal tasks you care about.
  • Benchmark results. Legal citation accuracy, retrieval precision/recall, and hallucination rates.
  • Task-level evaluation. Draft quality, clause extraction accuracy, and timeline adherence.
  • Multi-LLM orchestration. Uses the best model per task and verifies outputs.
  • Continuous testing. Regression tests when models or prompts change.
What to ask: “Share benchmark methods, datasets, and raw results—not just a marketing score.”

7) Scalability, support, and change management

Great pilots fail without support for scale.
  • SLAs and uptime. Clear response times for incidents and support requests.
  • Enablement. Training, templates, and office hours for lawyers and staff.
  • Governance tooling. Usage dashboards, cost controls, and policy enforcement.
  • Future roadmap. Transparent plans for new jurisdictions, connectors, and features.
What to ask: “What does the first 90 days look like, and how do you help us hit adoption targets?”

Where GenAI and agentic AI deliver value today

Case law and authority research

GenAI can read and summarize relevant cases and statutes. Agentic AI can then compare jurisdictions, apply filters for date and court level, and produce a source-linked brief for your review. You approve, and the agent posts the memo to the matter workspace and notifies the lead partner.

Contract analysis and review

GenAI spots key clauses, missing terms, and risk language. Agentic AI compares against your playbook, tracks changes across versions, and updates your compliance checklist. It schedules a client call with Outlook, posts the redline to Teams, and records decisions in your CRM.

Motion practice and filing

GenAI drafts a motion from facts and precedent. After you edit, agentic AI validates citations, checks local rules, calculates deadlines, and files in the correct portal. It then updates the docketing system and sends confirmations to the client and internal team.

Client engagement

GenAI drafts proposals, status emails, and fee updates. Agentic AI routes these through your CRM, schedules follow-ups, and adjusts project plans based on client replies. You keep the personal touch, while the system handles timing and tasks.

Risk checks and red flags when evaluating tools

Even strong demos can hide weak foundations. Watch for these warning signs:
  • Vague or missing documentation on how outputs are created and actions are taken.
  • Limited or brittle integrations that break real workflows.
  • No legal-grade training data, retrieval, or evaluation details.
  • No clear data use and retention controls, or silent model training on your data.
  • Lack of human approval gates or audit logs.
  • Overreliance on a single LLM without grounding, verification, or fallback.
If you see more than one of these, pause. The risks to client trust and confidentiality are not worth the short-term speed.

A simple rollout plan your team can trust

Pick high-impact, low-risk workflows

Start where mistakes are easy to catch and wins are visible. Good first targets:
  • Summarizing discovery sets or meeting notes.
  • Clause extraction against your playbook.
  • Drafting routine letters or standard filings with review gates.

Define success metrics

Agree on measurable goals:
  • Time saved per task and turnaround time improvement.
  • Reduction in manual steps and email handoffs.
  • Accuracy against a sample set of matters.
  • User adoption and satisfaction scores.

Set governance and training

Create clear rules and habits:
  • Approval points, escalation paths, and logging standards.
  • Source controls and jurisdiction limits.
  • Short training for lawyers and staff on prompts and review.
  • Monthly review of metrics and suggested improvements.

Scale and refine

Expand to more matter types after the pilot meets targets. Add integrations, tighten guardrails, and update templates. Keep testing as models evolve to maintain accuracy and trust.

Why professional-grade beats consumer tools

Consumer AI can be helpful for brainstorming, but it falls short for legal work. Professional tools bring legal data, guardrails, and integrations that reduce risk and support real workflows. Recent reports show many professionals already use public GenAI, and most expect AI to sit at the core of their work within a few years. The question is not if you will use AI, but whether you will use it safely and effectively. Professional-grade platforms deliver:
  • Consistency. Outputs stay within your standards and style.
  • Speed with control. Agents move work forward, and you approve key steps.
  • Better client service. Faster responses, clearer updates, and stronger documentation.
  • Staff leverage. Teams handle more matters without burnout.
The right platform does not replace legal judgment. It frees time for it. That is the real promise: less admin, more advocacy. The bottom line is simple: if you want results without risk, you need a clear checklist and a plan. Knowing how to choose professional legal AI will help you compare vendors, set guardrails, and deliver faster outcomes with confidence. Start small, measure well, and build on real wins. With GenAI creating and agentic AI executing—under your review—you can raise quality, protect clients, and scale what your firm does best.

(Source: https://legal.thomsonreuters.com/blog/how-generative-and-agentic-ai-work-together-in-professional-grade-legal-ai/)

For more news: Click Here

FAQ

Q: What is the difference between generative AI and agentic AI in legal work? A: Generative AI creates drafts, summaries, and other content from prompts, while agentic AI plans and executes multi-step tasks across systems. Agentic AI can interact with calendars, filing portals, and matter systems to complete workflows, and both models operate with human oversight to ensure legal judgment and control. Q: What are the key criteria to consider when selecting a professional legal AI? A: When deciding how to choose professional legal AI, start with seven essentials: transparent workflows, legal-grade data and grounding, verifiable security and compliance, human-in-the-loop design, seamless integrations, proven accuracy and benchmarking, and scalability with support. Use these criteria as a checklist when evaluating vendors or building an internal solution. Q: How do GenAI and agentic AI work together to streamline legal workflows? A: Generative AI drafts documents and summarizes authorities while agentic AI takes approved outputs through filing, notifications, and system updates. This handoff reduces manual steps and administrative burden by moving work from creation to action within a single platform. Q: What security and compliance features should legal teams verify before deploying AI? A: Verify independent audits such as SOC 2 Type II and ISO 27001, regular penetration testing, data residency options, clear data retention and deletion policies, and the contractual ability to opt out of model training on your data. Also confirm secret management and encryption (KMS, per-tenant keys), role-based access control, and GDPR compliance where relevant. Q: What are common red flags to watch for when evaluating legal AI tools? A: Common red flags include vague or missing documentation on how outputs are created, limited or brittle integrations, and no evidence of legal-specific training data or evaluation. Also watch for missing approval gates or audit logs, unclear data use or retention policies, and overreliance on a single LLM without grounding or verification. Q: How should firms pilot and roll out professional legal AI safely? A: Begin with high-impact, low-risk workflows such as summarizing discovery, clause extraction against your playbook, or drafting routine letters with review gates, and define measurable success metrics like time saved, accuracy, and user adoption. Establish governance, approval points, training, and logging standards, then expand and tighten guardrails after the pilot meets targets. Q: How can legal teams ensure human oversight remains central when using AI? A: Require human-in-the-loop controls that enforce review and approval before key actions, provide configurable guardrails and clear fallbacks, and make outputs editable for lawyers. Maintain audit logs and approval gates so professionals can trace sources, adjust outputs, and retain final judgment and strategy. Q: What evidence should vendors provide to demonstrate accuracy and performance? A: Ask vendors to share benchmark results, raw datasets, and task-level evaluations such as citation accuracy, retrieval precision/recall, hallucination rates, and draft or clause-extraction quality. Also request details on multi-LLM orchestration, continuous regression testing, and evaluation methods so you can verify claims rather than rely on marketing scores.

Contents