Law Expert

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• Identify incorrect citations, misstated holdings, outdated authority, and missing controlling precedent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

We consider all qualified applicants without regard to legally protected characteristics and provide reasonable accommodations upon request.

Contract and Payment Terms

• You will be engaged as an independent contractor.
• This is a fully remote role that can be completed on your own schedule.
• Projects can be extended, shortened, or concluded early depending on needs and performance.
• Your work at Mercor will not involve access to confidential or proprietary information from any employer, client, or institution.
• Payments are weekly on Stripe or Wise based on services rendered.
• Please note: We are unable to support H1-B or STEM OPT candidates at this time.

About Mercor

Mercor partners with leading AI labs and enterprises to train frontier models using human expertise. You will work on projects that focus on training and enhancing AI systems. You will be paid competitively, collaborate with leading researchers, and help shape the next generation of AI systems in your area of expertise.