Law Expert

About this role

## About the Role Mercor is partnering with a leading AI lab to train frontier models on high-quality legal reasoning data. We're hiring legal research experts with extensive Westlaw experience to evaluate AI-generated legal research, verify legal authority, and help shape how the next generation of AI reasons about complex legal issues. We welcome practicing attorneys, research attorneys, judicial law clerks, law librarians, and other legal professionals who regularly conduct substantive legal research using Westlaw. ## What You'll Do - Evaluate AI-generated legal research against real-world professional standards - Verify that cited cases, statutes, and regulations are accurate, current, and remain good law - Identify incorrect citations, misstated holdings, outdated authority, and missing controlling precedent - Distinguish binding from persuasive authority and provide clear written explanations supporting your evaluations - Help improve AI legal research by providing structured feedback and participating in calibration sessions ## You're a Good Fit If You - Have **2+ years of professional legal experience** in a litigation- or research-heavy role, **OR** as a law librarian or legal researcher supporting substantive legal research - Regularly use **Westlaw** as part of your current or recent professional work - Have experience validating case law, statutes, regulations, and legal citations using tools such as KeyCite and other Westlaw research features - Hold a **J.D. and bar admission**, or an **MLIS (or equivalent)** with professional law librarian or legal research experience ## Bonus Qualifications - Experience as a judicial law clerk or research attorney - Experience using Lex Machina, PACER, Practical Law, or other advanced legal research tools - Experience conducting multi-jurisdiction or 50-state legal research - Background in commercial litigation, appellate law, employment, regulatory, or government practice

Eligible applicant countries

This role accepts applicants from:

• USA

Skills & domains

• ai-training
• rlhf
• sme
• annotation
• Law