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Codification and Implementation of International Law with Confidence

Stay Ahead with Real-Time Treaty Updates

Monitor global treaty developments as they happen—no delays, no guesswork.

Draft Legal Agreements in Multiple Languages

Leverage advanced multilingual drafting tools to create precise, compliant legal texts.

One Platform. Every Instrument.

Easily search and navigate treaties, customary law, soft law, and national implementation systems—all in one centralized hub.

Access a Codified International Law Database

Save hours of manual research with instant access to structured, indexed legal content.

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Your AI Legal Assistant

Simplify complex legal analysis and practice international law with clarity and speed.

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Features

Codylex is a next-generation digital platform designed to transform how international law is codified, analyzed, and implemented.
Designed and developed by international law experts for legal professionals to help make legal practice more efficient, harmonized, and accessible worldwide.

International Law Database

Access a Comprehensive Codified International Law Database

Treaty Analysis

Advanced Treaty Analysis for International Arbitration

Treaty Conflict Checker

Overlapping obligations frequently create legal uncertainties in international law

Digital Drafting Tools for International Treaties

Draft International Legal Agreements with Precision

Implementation Toolkit

Implementation Toolkit for International Law Practice

International Law Database

Access a Comprehensive Codified International Law Database

The Codylex International Law Database delivers structured, searchable access to treaties, conventions, protocols, bilateral and multilateral agreements, landmark decisions from bodies like the ICJ and WTO, and principles of customary law. Content is sourced from authoritative institutions, including CIFILE and global organizations, with filters by domain, jurisdiction, date, and type.

Search by legal domain (e.g., human rights, trade, environment, security)
Filter by jurisdiction, date, or treaty type
Access authoritative references and citations from the UN, ICJ, WTO, and regional bodies

Treaty Analysis

Advanced Treaty Analysis for International Arbitration

Codylex facilitates systematic treaty analysis by deconstructing texts into key components, such as preambles, obligations, definitions, reservations, and dispute resolution clauses. This structured methodology supports precise interpretation, comparative analysis, and strategic planning in international arbitration and dispute settlement.

Decode complex legal language into structured elements for easy and clear understanding
Compare clauses across multiple treaties or jurisdictions to identify overlaps or inconsistencies
Pinpoint gaps and ambiguities that could impact interpretation or implementation

Treaty Conflict Checker

Identify and Resolve Overlapping International Obligations

Overlapping obligations frequently create legal uncertainties in international law. Codylex's conflict checker identifies inconsistencies between treaties, highlights conflicts with customary international law or jus cogens norms, and provides recommendations for harmonization—assisting international lawyers in arbitration preparation and compliance strategies.

Detect Inconsistencies

Quickly identify conflicts in dispute resolution clauses, enforcement obligations, or legal definitions across various treaties.

Safeguard Integrity

Flag incompatibilities with jus cogens norms or customary international law to uphold global legal standards.

Harmonization Solutions

Receive expert recommendations for resolving conflicts and aligning obligations seamlessly.

Implementation Toolkit

Implementation Toolkit for International Law Practice

Beyond research and drafting, Codylex provides a robust implementation toolkit for managing treaty obligations, arbitration workflows, compliance monitoring, and case organization in a secure environment. This supports practical application for international lawyers and institutions worldwide.

Practice Management System

A digital workspace tailored to international legal professionals. Organize client cases, treaty drafting workflows, research tasks, and compliance checklists all in one secure dashboard.

International Lawyer Referral Program

Codylex includes a trusted referral program connecting users to a global network of specialized international lawyers. Search by jurisdiction, expertise (including international arbitration, treaty interpretation, and public international law), and region to find the right professional for cross-border matters.

Multilingual Interface

Designed for worldwide legal practice, Codylex offers a multilingual interface and tools to ensure accuracy and accessibility across jurisdictions. It supports international lawyers, arbitrators, tribunals, and organizations in navigating diverse legal systems with confidence.