US Patent Attorney — Prosecution & Litigation

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 US patent attorneys with prosecution and/or litigation experience for a focused evaluation project. You'll review model-generated work product on patent matters, judge its quality, and mark legal, technical, factual and citation errors directly in the materials. **What You'll Do** - Review patent-related outputs (prosecution and/or litigation work product) and assess their quality against defined dimensions - Annotate inline, flagging legal, technical, factual, claim-construction and citation errors - Provide clear, well-reasoned explanations for each judgment - Complete all assigned reviews within the review window - Attend a short onboarding session before kickoff **You're a Good Fit If You** - Are admitted to practice in at least one US state (active bar membership) - Have 3+ years of US patent practice — patent **prosecution** (drafting/prosecuting applications before the USPTO) and/or patent **litigation** (infringement, validity, claim construction) - For prosecution work: are **registered to practice before the USPTO** (patent bar, registration number) - Hold a technical or scientific degree (engineering, computer science, life sciences, chemistry, physics or similar) - Hold a J.D. from an ABA-accredited law school - Write clearly and pay close attention to detail **Bonus Qualifications** - USPTO registration number (patent bar) - Experience at an AmLaw 100 firm or a leading patent boutique - Federal Circuit or district-court patent clerkship - Prior data annotation, AI evaluation or legal-benchmark experience, including prior legal AI projects with Mercor **Role Highlights** - Time commitment: approximately 12–15 hours total, within a defined review window - Immediately required - You must complete all required reviews, as the project design depends on every attorney finishing the full set

Eligible applicant countries

This role accepts applicants from:

• USA

Skills & domains

• ai-training
• rlhf
• sme
• annotation