Immigration, real estate, employment & rental law across Germany, Spain, Italy, Netherlands + all 27 EU member states. 183+ indexed legal documents with verifiable citations.
✓ No credit card required ✓ Google sign-in ✓ GDPR compliant
Whether you're an expat navigating residence permits, a tenant fighting unfair rent, or buying property across borders — you deserve clear, citation-backed answers before spending €300/hour on a lawyer.
"My landlord in Berlin wants to raise rent by 15%. Can they do this legally?"
Under §558 BGB, rent increases are capped at 15% over 3 years (20% in some areas). Additionally, Berlin has a Mietpreisbremse (rent brake) limiting new rents to 10% above the local reference rent (Mietspiegel)...
A retrieval-augmented AI system that searches 183+ indexed legal documents and practical guidance across 33 jurisdiction collections.
ColossalLaw is a retrieval-augmented generation (RAG) system, not a generic chatbot. It searches indexed legal texts instead of generating from training data.
| Aspect | ChatGPT / Generic LLMs | ColossalLaw |
|---|---|---|
| Source | Training data (may be outdated) | Indexed knowledge base with specific legal texts |
| Citations | Often fabricated or imprecise | References actual law sections (e.g., "§573 BGB") |
| Focus | General knowledge across all topics | Specialized in cross-border legal questions |
| Hallucination | High risk for legal details | Reduced through retrieval-augmented generation |
| Jurisdictions | Often mixes jurisdictions | Explicitly tracks which country's law applies |
Transparency about our limitations is important.
We are not lawyers
We don't create contracts, letters, or filings
We provide information, not recommendations
We explain the law, not "you will win/lose"
Deep knowledge of local laws, not just generic AI responses. Each jurisdiction has been specifically researched and indexed.
BGB, AufenthG, employment, family, citizenship
Property, Law of Return, Aliyah
Permesso, rental 4+4, IMU, TFR
Golden Visa, Digital Nomad, LAU
Kennismigrant, 30% ruling, Box 3
MRG rental, Red-White-Red Card
3-region system, Single Permit
Critical Skills, RTB, stamp duty
Code Civil, Loi ALUR, Passeport Talent
Blue Card, Karta Polaka, Kodeks Cywilny
+ 🇪🇺 EU-wide regulations (GDPR, consumer rights, free movement) | 🇷🇺 Russia (property, tax, currency controls) | 🇦🇲 Armenia | 🇬🇪 Georgia
Start free, pay only when you need more.
5 additional queries
50 queries/month
Understanding rental disputes, residence permits, or Bürgergeld eligibility
Researching Law of Return eligibility and Olim benefits
Learning the purchase process before engaging a notary
Understanding custody jurisdiction or cross-border inheritance
Coming with informed questions saves billable hours
Quick reference for work permit categories across EU
5 free queries, no credit card required. Get citation-backed answers in seconds.
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