Administrative law, fully accessible.
Effortlessly search the case law of the Council of State, the Constitutional Court, and other courts.

Ex Ante accelerates your legal research
Our database was specifically developed to address the challenges of administrative law experts.
Semantic search
Search by meaning, not just by keywords. Our search engine understands legal context and finds relevant results you would otherwise miss.
- More complete results
- Less search time
- 100% reliable
Consult government decisions
Access to decisions of permitting authorities that are difficult to find elsewhere.
- Local governments
- Provincial governments
- Regional and federal governments
Advanced filters
Filter by area of law, judicial body, date, and more to quickly find the right sources.
- Increased relevance
- AI-enhanced
- User-friendly
Available sources
Ex Ante offers comprehensive access to all relevant sources for administrative law research.
No sources found with the current filters.
Sources are continuously updated and expanded.
Typical use cases
Discover how administrative law experts use Ex Ante daily to work more efficiently.
Easily analyze recent case law
Stay up to date with the latest developments in the case law of the Council of State and the Constitutional Court. Identify the latest trends and changes in decisions by the various authorities.
"What is the recent case law of the Council of State regarding the duty to state reasons in administrative decisions?"
Quickly find the decisions most relevant to you
No need to try countless keyword variations to find relevant documents. Save hours of research work thanks to our semantic search engine.
"How is the principle of legitimate expectations applied in tax matters?"
Substantiate your legal arguments
Strengthen your advice, petitions, and submissions with relevant case law and precedents.
"When can an administrative decision be annulled due to a breach of the right to be heard?"
What administrative law experts say
“As a lawyer, accuracy is essential. Ex Ante delivers source-based results without hallucinations, exactly what I need.”

Johanna-Charlotte Devogelaere
Lawyer
GD&A Attorneys
“The semantic search function makes a real difference. It allows you to find case law based on legal context, not just keywords.”

Lion Janssens
Lawyer
ARCAS Law
“Complex cases often involve hundreds of potentially relevant sources. Ex Ante immediately highlights the most relevant passages, saving a tremendous amount of time.”
Koen Daniëls
Senior Advisor
CDRO Consulting
For whom?
Ex Ante is designed for professionals who deal with administrative law issues on a daily basis.
Lawyers
With specializations in administrative and public law
Civil servants
Legal departments of local, regional, and federal authorities
In-house counsel
In-house counsel focusing on public contracts and permits
Academics
Researchers, lecturers, and students in administrative and public law
Ready to accelerate your legal research?
Join hundreds of administrative law experts who use Ex Ante daily to work faster and more comprehensively.