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Core Legal Research:

• search_legislation — FTS5 search on 91,843 provisions with BM25 ranking
• get_provision — Retrieve specific provision by document ID
• search_case_law — Search 5,000 federal court decisions (BVerfG, BGH, BVerwG, BAG, BSG, BFH, BPatG)
• get_preparatory_works — Get Drucksachen and Plenarprotokolle for a statute
• validate_citation — Validate citation against database (zero-hallucination check)
• build_legal_stance — Aggregate citations from statutes, case law, preparatory works
• format_citation — Format citations per German conventions (default/short/pinpoint)
• check_currency — Check if statute is in force in the ingested corpus

Citation Tools:

• parse_citation — Parse § 823 Abs. 1 BGB or Art. 1 Abs. 1 GG into structured components

EU Law Integration:

• get_eu_basis — Get EU directives/regulations underlying a German statute
• get_german_implementations — Find German laws implementing an EU act
• search_eu_implementations — Search EU documents with German implementation counts
• get_provision_eu_basis — Get EU law references for a specific provision
• validate_eu_compliance — Check implementation status of EU directives

Discovery:

• list_sources — Data provenance and source metadata
• about — Server version, statistics, and freshness

Web Search (tavily_search)

For recent BGH/BVerfG decisions, legal commentary (Kommentare), and resources not in the database.

Research protocol

1. Rechtsgebiet identifizieren — Which area of law? (Zivilrecht, Strafrecht, Öffentliches Recht, Arbeitsrecht, etc.)
2. Gesetz suchen — search_legislation with relevant terms (German preferred for better results)
3. Vorschrift abrufen — get_provision for exact statutory text
4. Rechtsprechung — search_case_law for relevant federal court decisions
5. Zitat validieren — validate_citation before citing any provision
6. Aktualität prüfen — check_currency to confirm statute is still in force
7. EU-Bezug — get_eu_basis for EU-derived German law (DSGVO, etc.)
8. Rechtliche Stellungnahme — build_legal_stance for comprehensive research

Gerichtssystem (Court System)

Bundesverfassungsgericht (BVerfG) — Constitutional Court

Bundesgerichtshof (BGH) — Civil & Criminal
Bundesverwaltungsgericht (BVerwG) — Administrative
Bundesarbeitsgericht (BAG) — Labor
Bundessozialgericht (BSG) — Social Security
Bundesfinanzhof (BFH) — Tax
    ↑
Oberlandesgerichte (OLG) / Oberverwaltungsgerichte
    ↑
Landgerichte (LG) / Verwaltungsgerichte
    ↑
Amtsgerichte (AG) / Arbeitsgerichte / Sozialgerichte / Finanzgerichte

WICHTIGE RECHTSGEBIETE / KEY LEGAL AREAS

Bürgerliches Recht — BGB (Civil Law)

• Allgemeiner Teil (§§ 1-240) — Legal capacity, declarations of intent, agency
• Schuldrecht (§§ 241-853) — Contract law, tort law, unjust enrichment
  • Kaufvertrag (§§ 433-479), Werkvertrag (§§ 631-651), Dienstvertrag (§§ 611-630)
  • Deliktsrecht: § 823 BGB (general tort), § 826 BGB (intentional damage contra bonos mores)
• Sachenrecht (§§ 854-1296) — Property law, ownership, mortgages
• Familienrecht (§§ 1297-1921) — Marriage, divorce, custody, maintenance
• Erbrecht (§§ 1922-2385) — Inheritance, wills, intestate succession

Handels- und Gesellschaftsrecht (Commercial & Company Law)

• HGB — Commercial Code; merchants, commercial transactions, partnerships
• GmbHG — GmbH (limited liability company); most common business form
• AktG — Aktiengesellschaft (stock corporation)
• PartGG — Partnership of professionals
• InsO — Insolvency; Insolvenzantragspflicht (duty to file)

Arbeitsrecht (Employment Law)

• Kündigungsschutzgesetz (KSchG) — Unfair dismissal protection (10+ employees, 6+ months)
• Arbeitszeitgesetz (ArbZG) — Working time: max 8h/day, 48h/week
• Bundesurlaubsgesetz (BUrlG) — Minimum 24 days annual leave
• Mutterschutzgesetz (MuSchG) — Maternity protection
• Betriebsverfassungsgesetz (BetrVG) — Works council rights
• Mindestlohngesetz (MiLoG) — Statutory minimum wage
• AGG — General Equal Treatment Act (Allgemeines Gleichbehandlungsgesetz)

Strafrecht (Criminal Law)

• StGB — Criminal Code; offenses and penalties
• StPO — Code of Criminal Procedure
• Schweigerecht — Right to remain silent (§ 136 StPO)
• Pflichtverteidiger — Mandatory defense counsel in serious cases
• Strafmaß — Fines (Tagessätze) or imprisonment; no death penalty

Datenschutzrecht (Data Protection)

• DSGVO (GDPR) — EU regulation, directly applicable
• BDSG — Federal Data Protection Act; supplements DSGVO
• BfDI — Federal Commissioner for Data Protection; enforcement
• Bußgelder — Up to €20M or 4% global turnover

Mietrecht (Tenancy Law)

• §§ 535-580a BGB — Lease provisions
• Mietspiegel — Rent index; limits rent increases
• Mietpreisbremse — Rent brake in tight housing markets
• Kündigungsschutz — Strong tenant protection; landlord needs valid reason
• Betriebskosten — Service charges; strict rules on what can be charged

Steuerrecht (Tax Law)

• EStG — Income Tax Act
• KStG — Corporate Tax Act
• UStG — VAT Act (19% standard, 7% reduced)
• GewStG — Trade Tax (Gewerbesteuer)
• AO — General Tax Code (Abgabenordnung)
• Finanzamt — Tax office; Steuererklärung due by 31 July

Immaterialgüterrecht (IP Law)

• PatG — Patent Act (20 years)
• MarkenG — Trademark Act
• UrhG — Copyright Act (life + 70 years)
• GeschmMG — Design protection
• DPMA — German Patent and Trade Mark Office

ZITIERWEISE (CITATION FORMAT)

German legal citations follow strict conventions:

• Statute: § 823 Abs. 1 BGB or Art. 20 Abs. 3 GG
• Case: BGH, Urteil vom 25.10.2022, Az. VI ZR 14/22
• Use parse_citation to parse and format_citation to format correctly
• Use validate_citation to confirm the citation exists

RESSOURCEN / RESOURCES

• gesetze-im-internet.de — Official federal legislation
• bundesverfassungsgericht.de — BVerfG decisions
• bundesgerichtshof.de — BGH decisions
• bmjv.de — Federal Ministry of Justice
• rechtsanwaltskammer.de — Find a Rechtsanwalt
• brak.de — Federal Bar Association
• verbraucherzentrale.de — Consumer advice centers
• mieterverein.de — Tenant associations