“Yesterday an experiment, today part of how we work, tomorrow indispensable: CASUS.”
“Securely hosted data, thoughtful attention to detail and real value in our day-to-day work.”
“Ideal for anyone without extensive IT resources: CASUS is a plug-and-play solution that works.”
“CASUS is the ideal innovation partner for our legal department.”
“CASUS was quickly embraced by our team because it fits into existing workflows rather than replacing them.”
“For us as a Swiss law firm, it was non-negotiable: our data stays in Switzerland.”
“Yesterday an experiment, today part of how we work, tomorrow indispensable: CASUS.”
“Securely hosted data, thoughtful attention to detail and real value in our day-to-day work.”
“Ideal for anyone without extensive IT resources: CASUS is a plug-and-play solution that works.”
“CASUS is the ideal innovation partner for our legal department.”
“CASUS was quickly embraced by our team because it fits into existing workflows rather than replacing them.”
“For us as a Swiss law firm, it was non-negotiable: our data stays in Switzerland.”
“Yesterday an experiment, today part of how we work, tomorrow indispensable: CASUS.”
“Securely hosted data, thoughtful attention to detail and real value in our day-to-day work.”
“Ideal for anyone without extensive IT resources: CASUS is a plug-and-play solution that works.”
“CASUS is the ideal innovation partner for our legal department.”
“CASUS was quickly embraced by our team because it fits into existing workflows rather than replacing them.”
“For us as a Swiss law firm, it was non-negotiable: our data stays in Switzerland.”
Consistently excellent legal work.
excellent
legal work.
excellent
legal
Consistently excellent legal work.
excellent
legal work.
excellent
legal
Consistently excellent legal work.
excellent
legal work.
excellent
legal
- EPARTNERS
- Probst Partner Rechtsanwälte
- Domenig Partner
- Küng Rechtsanwälte & Notare
- Bellerive Rechtsanwälte
- Alpiq AG
- Schweizerischer Baumeisterverband
§ 1 - THE EDITOR
CASUS meets you
CASUS meets you
CASUS meets you
where you work.
where you work.
where you work.
Available in your browser for collaboration, and directly in Word for document work. No extra training needed.
Available in your browser for collaboration, and directly in Word for document work. No extra training needed.
AI-Chat· Software_Licence_Agreement_v4.docxCASUS8.2 The Supplier’s aggregate liability shall be unlimited, except in cases of wilful misconduct or gross negligence.
8.3 Neither party shall be liable for indirect damages, subject to clause 14.3.
§ 2 - WORKSPACE
The complete legal AI
The complete legal AI
The complete legal AI
One legal workspace.
One legal workspace.
One legal workspace.
§ 3 - DOSSIERS
One Dossier per project,
One Dossier per project,
One Dossier per project,
for matters and know-how.
for matters and know-how.
for matters and know-how.
Bring together the contracts, PDFs, emails, Excel sheets and PowerPoint decks of a matter, a transaction or a knowledge base. Ask across the whole collection, get answers with numbered sources and change many documents at once.
Bring together the contracts, PDFs, emails, Excel sheets and PowerPoint decks of a matter, a transaction or a knowledge base. Ask across the whole collection, get answers with numbered sources and change many documents at once.
§ 4 - PERSONAL SUPPORT
You work with AI.
You work with AI.
You work with AI.
We’re here for you, personally.
We’re here for you, personally.
We’re here for you, personally.
Whether you’re getting started in Word, have a question about CASUS or want to get more out of a result: write to us. We’ll help you right away or look at your use case together on a call.
Whether you’re getting started in Word, have a question about CASUS or want to get more out of a result: write to us. We’ll help you right away or look at your use case together on a call.
Personal support is included in every plan.
Personal support is included in every plan.
Write to us →
Already using CASUS? Reach us directly in the chat.
§ 5 - SWISSNESS
As complex as it needs to be.
As complex as it needs to be.
As complex as it needs to be.
As Swiss as it can be.
As Swiss as it can be.
As Swiss as it can be.
CASUS is proudly built in Zürich, by Swiss lawyers, for DACH legal practice. Your data is stored in Switzerland and processed in accordance with Swiss data law.
8M+
legal sources from six countries
CH + EU
hosting only, no data transfer to the US
< 10 min
response time for support requests
§ 6 - SECURITY
Your files stay yours.
Your files stay yours.
Your files stay yours.
Hosted only in Switzerland and the EU.
Hosted only in Switzerland and the EU.
Hosted only in Switzerland and the EU.
Find out more
§ 7 - FAQ
Annex A
Frequently asked
Frequently asked
Frequently asked
questions.
questions.
questions.
Evaluating CASUS for your firm?
Evaluating CASUS for your firm?
Get in touch →
CASUS is an AI workspace for legal work in Microsoft Word and your browser. You can review contracts, draft and edit text, compare documents and ask questions about your files. CASUS supports individual legal professionals, law firms and in-house legal teams in their daily work.
CASUS is built for legal work. You work directly in Word with tools for contract review, proofreading, your own standards and document collections. Particularly important when working with confidential information: your documents are stored in Switzerland and are not used to train AI models.
Your documents are stored in Switzerland. For AI processing, the required content is sent to the services we use in Switzerland or the European Economic Area. CASUS and its model providers do not use it to train AI models. You can find the data flows and contractual documents on our security page.
Yes. In Switzerland, CASUS undertakes a duty of confidentiality as an auxiliary under Article 321 of the Swiss Criminal Code. In Germany, CASUS undertakes a duty of confidentiality as a participating service provider under section 203 of the German Criminal Code and section 43e BRAO. In Austria, CASUS undertakes a written duty of confidentiality under section 9 RAO. CASUS provides a corresponding written declaration.
You can try CASUS free for 14 days and get started directly in your browser. If you like, we can show you a use case from your daily work in a short demo. We can also help you set up the Word Add-in.
You can find the current prices per user and the monthly and annual billing options on our pricing page. If you want to introduce CASUS to several people, we can discuss the right offer for your team.
CASUS helps you check results through sources and references, as well as traceable suggested changes that you can accept or reject. Answers can still be wrong or incomplete. The same question can also produce different answers. Check important statements and suggestions before using them. Your professional judgment remains essential.
You can use CASUS directly in your browser. To work directly in Microsoft Word, you also set up the CASUS Add-in. Depending on your Microsoft 365 settings, this may require approval from your administrator. We help you and your IT team get started.
Yes. With Benchmark, you can compare contracts against your own templates and review standards. In Dossiers, you bring multiple files together and ask questions about a document collection. This keeps the work focused on your matter and your standards.
Message us directly in the chat in CASUS. Our team helps with questions about using CASUS, getting started in Word or a result that does not seem right. Whenever needed, we can look at your use case together in a short call.
CASUS is an AI workspace for legal work in Microsoft Word and your browser. You can review contracts, draft and edit text, compare documents and ask questions about your files. CASUS supports individual legal professionals, law firms and in-house legal teams in their daily work.
CASUS is built for legal work. You work directly in Word with tools for contract review, proofreading, your own standards and document collections. Particularly important when working with confidential information: your documents are stored in Switzerland and are not used to train AI models.
Your documents are stored in Switzerland. For AI processing, the required content is sent to the services we use in Switzerland or the European Economic Area. CASUS and its model providers do not use it to train AI models. You can find the data flows and contractual documents on our security page.
Yes. In Switzerland, CASUS undertakes a duty of confidentiality as an auxiliary under Article 321 of the Swiss Criminal Code. In Germany, CASUS undertakes a duty of confidentiality as a participating service provider under section 203 of the German Criminal Code and section 43e BRAO. In Austria, CASUS undertakes a written duty of confidentiality under section 9 RAO. CASUS provides a corresponding written declaration.
You can try CASUS free for 14 days and get started directly in your browser. If you like, we can show you a use case from your daily work in a short demo. We can also help you set up the Word Add-in.
You can find the current prices per user and the monthly and annual billing options on our pricing page. If you want to introduce CASUS to several people, we can discuss the right offer for your team.
CASUS helps you check results through sources and references, as well as traceable suggested changes that you can accept or reject. Answers can still be wrong or incomplete. The same question can also produce different answers. Check important statements and suggestions before using them. Your professional judgment remains essential.
You can use CASUS directly in your browser. To work directly in Microsoft Word, you also set up the CASUS Add-in. Depending on your Microsoft 365 settings, this may require approval from your administrator. We help you and your IT team get started.
Yes. With Benchmark, you can compare contracts against your own templates and review standards. In Dossiers, you bring multiple files together and ask questions about a document collection. This keeps the work focused on your matter and your standards.
Message us directly in the chat in CASUS. Our team helps with questions about using CASUS, getting started in Word or a result that does not seem right. Whenever needed, we can look at your use case together in a short call.
CASUS is an AI workspace for legal work in Microsoft Word and your browser. You can review contracts, draft and edit text, compare documents and ask questions about your files. CASUS supports individual legal professionals, law firms and in-house legal teams in their daily work.
CASUS is built for legal work. You work directly in Word with tools for contract review, proofreading, your own standards and document collections. Particularly important when working with confidential information: your documents are stored in Switzerland and are not used to train AI models.
Your documents are stored in Switzerland. For AI processing, the required content is sent to the services we use in Switzerland or the European Economic Area. CASUS and its model providers do not use it to train AI models. You can find the data flows and contractual documents on our security page.
Yes. In Switzerland, CASUS undertakes a duty of confidentiality as an auxiliary under Article 321 of the Swiss Criminal Code. In Germany, CASUS undertakes a duty of confidentiality as a participating service provider under section 203 of the German Criminal Code and section 43e BRAO. In Austria, CASUS undertakes a written duty of confidentiality under section 9 RAO. CASUS provides a corresponding written declaration.
You can try CASUS free for 14 days and get started directly in your browser. If you like, we can show you a use case from your daily work in a short demo. We can also help you set up the Word Add-in.
You can find the current prices per user and the monthly and annual billing options on our pricing page. If you want to introduce CASUS to several people, we can discuss the right offer for your team.
CASUS helps you check results through sources and references, as well as traceable suggested changes that you can accept or reject. Answers can still be wrong or incomplete. The same question can also produce different answers. Check important statements and suggestions before using them. Your professional judgment remains essential.
You can use CASUS directly in your browser. To work directly in Microsoft Word, you also set up the CASUS Add-in. Depending on your Microsoft 365 settings, this may require approval from your administrator. We help you and your IT team get started.
Yes. With Benchmark, you can compare contracts against your own templates and review standards. In Dossiers, you bring multiple files together and ask questions about a document collection. This keeps the work focused on your matter and your standards.
Message us directly in the chat in CASUS. Our team helps with questions about using CASUS, getting started in Word or a result that does not seem right. Whenever needed, we can look at your use case together in a short call.
§ 8 - EXECUTION
Your best legal documents.
Your best legal documents.
Your best legal documents.
Ever.
Ever.
Ever.
Start with a free trial. No IT project. No long contract.
Start with a free trial. No IT project. No long contract.
Should any provision of this agreement be invalid, CASUS would have found it.
Should any provision of this agreement be invalid, CASUS would have found it.
Product
CASUS Technologies AG
Beethovenstrasse 48
8002 Zurich
Switzerland
contact@getcasus.com
Ask your favorite AI about CASUS
© 2026 CASUS Technologies AG
Product
CASUS Technologies AG
Beethovenstrasse 48
8002 Zurich
Switzerland
contact@getcasus.com
Ask your favorite AI about CASUS
© 2026 CASUS Technologies AG
Product
CASUS Technologies AG
Beethovenstrasse 48
8002 Zurich
Switzerland
contact@getcasus.com
Ask your favorite AI about CASUS
© 2026 CASUS Technologies AG
Frequently asked questions.
- What is CASUS?
- CASUS is a legal AI platform for drafting, reviewing and editing legal documents. It combines a web application with a Microsoft Word Add-in, so legal professionals can work in the tools they already use. CASUS supports the work; legal judgment remains with the responsible professional.
- Who is CASUS for?
- CASUS is for individual legal professionals, law firms and in-house legal teams. It is designed for day-to-day legal work in DACH and can also be used outside the region with a valid VAT/UID number.
- Where does CASUS come from?
- CASUS was founded in Zurich in 2020 and is a spin-off from the University of St. Gallen (HSG). We build legal AI for the standards, confidentiality and practical workflows of legal professionals.
- What is CASUS’ mission?
- CASUS helps legal professionals deliver precise, consistent work at the speed their clients and business expect. It is built to strengthen legal craft, not replace professional responsibility.