OpusLaw
OpusLaw

The Future of Law
is Universal

Trusted by leading attorneys and legal teams worldwide to navigate complex international law with AI backed by real legal sources.

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Every tool an attorney could ever need. One platform.

Research,draft,analyze,and manage — powered by AI that understands the practice of law.

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Practice Hub Tools

Carta Agent·Document Grid·Legal Search·Case Analyzer·Citation Checker·Shepard's® Case Analysis·Judge Research·Document Templates·Brief Builder·Deadline Calculator·Statutory Research·Citation Validator·Contract Analyzer·Litigation Analytics·Opposing Counsel·Discovery Assistant·Motion Generator·Pleading Drafter·Legal Memo Writer·Demand Letter Generator·Settlement Calculator·Witness Prep Assistant·Trial Brief Generator·Compliance Checker·Contract Redline Pro·Deal Strategy Builder·Entity Intelligence

Where Law Meets Innovation

Strategic Advisory

Counsel that commands the room.

Precedent analysis, jurisdictional mapping, and litigation strategy — synthesized in seconds, not billable hours.

Litigation Intelligence

From filing to verdict, every advantage counts.

Surface case-winning arguments, anticipate opposing counsel, and build airtight briefs with AI that reasons like a senior associate.

Contract Intelligence

Every clause. Every risk. Instantly.

AI-powered contract analysis that surfaces hidden risks, flags non-standard terms, and suggests redlines — in under 60 seconds.

Global Reach

One platform. Every jurisdiction.

Cross-border transactions, multi-language document review, and jurisdiction-specific compliance — natively, not as an afterthought.

Research

Millions of cases.
Seconds to search.

Research

Millions of cases.
Seconds to search.

Statutes, regulations, case law — precise, cited answers without the billable hours.

Draft

Attorney-quality briefs.
AI-powered speed.

Draft

Attorney-quality briefs.
AI-powered speed.

Motions, memos, and contracts — jurisdiction-aware, citation-ready, structurally sound.

Simple, Transparent Pricing

Start with Carta Actus. Scale as your practice grows.

Carta Actus
$9.99/mo
  • 300 messages/month
  • 10 TTS uses/month
  • 7 Practice Hub tools
  • Email support
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Carta Corpus
$29.99/mo
  • 750 messages/month
  • 30 TTS uses/month
  • 17 Practice Hub tools
  • Priority support
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Carta Magistra
$79.99/mo
  • 1,500 messages/month
  • 80 TTS uses/month
  • 30 Practice Hub tools
  • Priority support
View Plan →
Carta Suprema
$149.99/mo
  • Unlimited messages
  • Unlimited TTS
  • All 30 tools
  • Dedicated support
View Plan →

Save 20% with annual billing. View full pricing details