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あなたの訴訟チームをCaseText CoCounselで強化しましょう。

現代の法務専門家のために設計されたLLM搭載の法律リサーチアシスタント。

shipped 2025年11月20日verticalspaid
VerticalsLegalLitigation
CaseText CoCounsel — product screenshot

注目ポイント

1法律業務をシームレスに計画し実行する、変革的なAIワークフロー。
2トムソン・ロイターの比類なき法律コンテンツにアクセスし、精密なリサーチやドラフト作成を行いましょう。
3最大10,000件の文書に対応した一括文書レビュー機能で、効率を向上させましょう。

Stork’s verdict on CaseText CoCounsel

CaseText CoCounselは、法律業務を自動化するためのWestlawとの深い統合を提供しますが、人間の検証とプロンプトの習熟が必要です。

CaseText CoCounsel reviewed by Stork AI · stork.ai/ja/casetext-cocounsel

overview

CaseText CoCounselとは何ですか？

CaseText CoCounselは、訴訟チームをサポートするために生成AIの力を活用した高度な法務リサーチアシスタントです。トムソン・ロイターエコシステムへの統合により、リサーチやドラフト作業において効率性と深みを求める法律専門家にとって、比類のないリソースを提供します。

  • 法律事務所と社内法務チームの両方に対応するように設計されています。
  • フォード・モーター・カンパニーなどの大手企業に信頼されています。
  • クライアントデータを保護し、エンドツーエンドのセキュリティを確保します。

features

主な特徴

CoCounselは、法的ワークフローを効率化し、生産性を向上させる最先端の機能を備えています。独立したAIプランニングからカスタマイズ可能なワークフローまで、訴訟専門家向けに設計された強力なツールを提供します。

  • マルチステップの法務タスク管理のためのエージェント型AIワークフロー。
  • ユニークなプロセスに合わせたカスタマイズ可能なワークフロービルダー。
  • 埋め込み引用の検証と専門家によるキュレーションされたプレイブックによる正確性。

use cases

CoCounselは誰に役立つのでしょうか？

法律事務所のパートナーであろうと、社内法律部門の一員であろうと、CoCounselは複雑な法的課題に効率的に対処するために設計されています。幅広い法的業務をサポートし、あなたのチームが常に先を行けるようお手伝いします。

  • 訴訟準備と戦略策定。
  • 包括的な文書レビューと分析。
  • 効率的な法的リサーチと文書作成。

Pros

  • +Deep integration with Thomson Reuters' Westlaw, Practical Law, and Microsoft 365, embedding AI into existing legal workflows.
  • +Automates a wide range of time-intensive legal tasks, such as research and document review, leading to reported time savings.
  • +Leverages a multi-model AI architecture, including Anthropic, OpenAI, and Google's frontier models, for accuracy and comprehensive results.
  • +Provides comprehensive legal database coverage through its integration with Westlaw's extensive content.
  • +Offers specialized tools like deposition preparation, contract analysis, and SmartCite for specific legal needs.
  • +Achieved significant user growth, reaching 1 million users across 107 countries by February 2026.

Cons

  • −Higher price point compared to traditional research tools and Casetext's original standalone offerings, due to integration with Westlaw.
  • −Requires a Westlaw subscription, which may price out solo practitioners and small firms that Casetext initially served.
  • −Users may experience a learning curve for optimizing AI prompts to achieve the most precise and desired legal results.
  • −The standalone Casetext product was retired on April 1, 2025, removing a potentially more accessible option for some users.
  • −While generally accurate, AI-generated legal content requires human verification to ensure complete reliability and context.

類似ツール

代替製品を比較

検討すべき他のツール

1
LexisNexis Lexis+ AIOn StorkCompare

Leverages LexisNexis's extensive and authoritative legal database with advanced AI for conversational search, summarization, and drafting, integrated with Shepard's Citations.

Similar to CoCounsel's integration with Westlaw, Lexis+ AI is built into the Lexis+ platform, providing AI capabilities within an existing, comprehensive legal research ecosystem. It offers comparable features for legal research, summarization, and drafting, targeting a similar audience of legal professionals and firms.

2
Harvey AIOn StorkCompare

Specializes in providing custom-trained LLMs for law firms and in-house legal teams, excelling in drafting, document review, and complex legal reasoning.

Harvey AI focuses on deep integration and customization with a firm's proprietary documents, offering a more tailored AI experience compared to CoCounsel's broader integration with Westlaw content. It targets large law firms and enterprise legal departments.

3
vLex Vincent AI↗

Offers AI-powered legal research across a vast global database covering over 100 countries, with specialized workflows for multi-jurisdictional analysis and litigation intelligence.

While CoCounsel is deeply integrated with Westlaw's US-centric content, vLex Vincent AI stands out with its extensive international and multi-jurisdictional coverage, making it a strong alternative for firms with global or diverse geographic legal needs.

4
NexLaw↗

Built specifically for US litigators, offering unique tools for trial preparation, medical chronology, and courtroom assistance beyond standard legal research.

NexLaw directly targets solo and small-firm litigators with specialized trial preparation and medical chronology features that CoCounsel (integrated with Westlaw) does not explicitly highlight as core offerings, providing a more focused litigation workflow.

5
Paxton AIOn StorkCompare

Provides sophisticated legal research and document drafting with a focus on accessibility and intuitive design for solo practitioners and small law firms.

Paxton AI is often cited as a direct alternative to Casetext's original AI-powered legal research approach, offering similar features like natural language queries and cited case law, but at a potentially more accessible price point for smaller firms compared to the enterprise-focused CoCounsel/Westlaw.

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