AI-Powered Legal Briefing Platform

Draft jurisdiction-specific briefs with verified citations — in minutes, not hours.

Trireme Legal combines AI brief drafting with real-time citation verification and counterargument analysis — all 50 states, federal coverage, and every citation checked against 50M+ legal authorities.

50+
Jurisdictions Covered
50M+
Citations Verified
10
Commercial Matter Types
5
Brief Sections Output
Platform Capabilities

Everything you need to draft, verify, and anticipate.

Three integrated capabilities that work together in a single session — no separate tools, no document uploads.

⚖️
MVP

Jurisdiction-Specific Brief Drafting

Generate structured legal briefs tailored to any jurisdiction, matter type, and party position.

  • All 50 states + federal coverage
  • 10 commercial matter types
  • Plaintiff / defendant position toggle
  • Structured 4-section output: Facts, Questions, Argument, Conclusion
  • Lettered sub-headings in the argument section
🔍
Only Trireme

Real-Time Citation Verification

Every citation is verified via Eyecite before it ever appears in your brief. No hallucinated authority.

  • Tested against 50M+ legal citations
  • Flags overruled, distinguished, or hallucinated authority
  • Citation strip displayed at top of every brief
  • Confidence indicator per citation
🛡️
Phase 1B

Counterargument Analysis

Anticipate opposing counsel's strongest arguments and surface responsive authority — automatically.

  • Delivered as a 5th tab in the brief output
  • Same session — no separate tool required
  • No document upload needed
  • Surfaces responsive authority automatically
Brief Output Preview

Structured. Verified. Ready to file.

Every brief follows a clean four-section structure with a fifth tab for counterargument analysis — all in one view.

Facts
Questions
Argument
Conclusion
Counterargument
Citation Verification Strip
Smith v. Jones, 410 U.S. 213 (1973) 98% confidence · Good law
Johnson v. State, 552 F.2d 902 (5th Cir. 1977) Distinguished · 72% confidence
Anderson v. Corp., 384 F. Supp. 2d 1 (S.D.N.Y. 2005) Overruled · Flagged

I. Statement of Facts

Plaintiff Trireme Corp. ("Trireme") commenced this action on March 15, 2026, alleging breach of contract against defendant Aegean Logistics LLC ("Aegean") arising from a commercial supply agreement dated January 8, 2025...

Under the agreement, Aegean committed to quarterly delivery of maritime logistics services across three designated routes. Trireme alleges that Aegean failed to meet minimum service thresholds in Q2 and Q3 of 2025, resulting in documented losses exceeding $2.4M...

Why Trireme

The difference is in the details.

Secondary source reasoning included in the Firm tier — not a paid add-on like Westlaw and LexisNexis.

Feature
Trireme
Westlaw
LexisNexis
Citation verification before display
✓ Built-in
✗ Manual
✗ Manual
Hallucinated authority detection
✓ Automatic
Counterargument analysis
✓ Same session
Secondary source reasoning
✓ Included
Extra charge
Extra charge
Restatement principles in AI reasoning
Law review & treatise authority
✓ Included
Extra charge
Extra charge
Pricing

Choose your tier.

Start with the MVP and upgrade to Firm tier for secondary source reasoning and advanced capabilities.

MVP

Core brief drafting with citation verification for individual practitioners.

  • All 50 states + federal coverage
  • 10 commercial matter types
  • Plaintiff / defendant toggle
  • 4-section structured output
  • Real-time citation verification
  • Confidence indicators per citation
Get Started

Ready to draft smarter?

Join the early access program and be among the first to experience AI-powered brief drafting with verified citations.

Request Early Access