Legal Writing Software
Legal writing software that works where you already write
OpenCase drafts and edits contracts, briefs, and memos inside Microsoft Word and Google Docs — with research and citations to verified primary sources built into your document.
Trusted by 3,000+ attorneys · Verified citations · Grounded in primary sources
Capabilities
Everything you need in one legal writing platform
AI-assisted document drafting
Generate first drafts of contracts, pleadings, and correspondence, then refine them in Microsoft Word or Google Docs without leaving your document.
Context-aware editing
Ask for edits grounded in the document in front of you. Suggestions read the surrounding text, so revisions fit the argument you are making.
Legal research built in
Ask questions in plain language and get synthesized answers while you write, each linked to the case law, statute, or source that supports it.
Verified citations
Every research answer carries citations to primary sources you can open and confirm, so you cite authority with precision instead of guessing.
Works in the tools you use
Draft, research, and edit inside Microsoft Word and Google Docs, and connect the documents you already keep in Google Drive, Dropbox, and Clio.
Outcomes
How legal teams work faster with less friction
The mechanism behind every outcome is the same: drafting and research grounded in your document and in primary law.
From request to first draft, faster
Start from a described need rather than a blank page. A complete first draft with relevant language is ready to review in minutes, not hours.
Research without leaving the draft
Verify a statute or find supporting authority in the same window you are writing in, so the context-switching that breaks concentration goes away.
Cleaner work reaches review
Associates draft with AI assistance and consistent citations, so senior attorneys spend less time on line edits and more on strategy.
Confidence you can defend
Because every research point links to a primary source, you can confirm each claim before it goes into a document a client relies on.
Who it is for
Built for every legal professional
Law firms of all sizes
Solo practitioners gain capabilities usually reserved for larger firms, while multi-office firms keep document quality consistent across practice groups.
Corporate legal departments
In-house teams handle higher volumes of routine agreements in less time, freeing counsel to focus on strategic business questions.
Litigation and trial attorneys
Draft motions, briefs, and discovery documents with research integrated, so you cite authority accurately without breaking your writing flow.
Transactional and contract lawyers
Draft NDAs, purchase agreements, and service contracts faster, with cleaner first drafts that shorten negotiation cycles.
Why it is different
What sets it apart from other legal writing tools
Generic AI tools
- Generic assistants flag grammar and rephrase text with no legal grounding.
- Answers arrive with no sources, so you re-check every claim by hand.
- A separate app you have to leave your document to use.
- Trained on generic internet text that can be outdated or wrong.
OpenCase
- Suggestions understand legal structure and terminology, and read the document you are drafting.
- Every research answer links to the primary source, so you can validate it instantly.
- Drafting and research live inside Microsoft Word and Google Docs, where you already write.
- Grounded in verified primary law and recognized legal standards.
Security
Built for confidential legal data
SOC 2 Type II and ISO 27001
OpenCase maintains SOC 2 Type II compliance and ISO/IEC 27001 certification, with continuous monitoring and access controls over your data.
Encrypted, never used for training
Your data and documents are encrypted in transit and at rest, and never used to train AI models or shared with other organizations.
Responsible AI governance
AI-assisted workflows follow governance practices aligned with ISO 42001 for transparency and accountability.
Common questions about legal writing software
How does legal writing software improve document quality?
It drafts and edits with awareness of the document in front of you, suggesting language grounded in legal structure rather than generic phrasing. You get feedback while you write, so associates learn faster and senior attorneys spend less time on line edits.
Where do I write — do I have to learn a new editor?
You draft and edit inside Microsoft Word and Google Docs, the tools you already use. AI assistance appears in the document, so there is no separate editor to learn.
Is my client data secure and confidential?
Your documents and research are encrypted in transit and at rest, and never used to train AI models or shared with other organizations. OpenCase maintains SOC 2 Type II compliance and ISO/IEC 27001 certification, with AI governance aligned with ISO 42001.
Can it handle specialized practice areas?
Drafting and research work across litigation, transactional work, and other practice areas. Because research answers cite primary sources, you can confirm that the authority fits your jurisdiction and matter before you rely on it.
Does it replace my legal research platform?
It handles quick, in-document questions and gives you cited answers while you write, which reduces routine research. For complex or novel issues you can still turn to comprehensive research databases.
What happens to my documents if I stop using it?
Your documents remain yours. They live in Microsoft Word and Google Docs and in the storage you already control, so nothing is locked inside a proprietary editor.
Can I try it before committing?
Yes. A free tier lets you draft, research, and check citations with your own work, so you can evaluate real-world performance before deciding on a paid plan.
Start drafting with verified citations
Write your first document inside Word or Google Docs with research and citations built in. No credit card required.