German patent and trademark law: decisions and statutes via API and MCP
The decisions of the Federal Patent Court (BPatG), ready for your software and your AI assistant. Nullity actions, trademark appeals and utility models, linked to PatG, MarkenG and GebrMG.
Decisions from 2010 to 2026.
https://klaracase.de/mcp/patent-markenrecht
Data processing. The AI services that receive your search query process it in the EU. The providers belong to companies based in the USA. More on privacy and security
- Decisions
- 7,200+
- Courts
- 1
- Statutes
- 4
- Linked citations
- 8,400+
Decisions from 7 January 2010 to 5 August 2026. Measured on 11 October 2026.
One question, one call, real case numbers
A recorded query from 11 October 2026. Every case number below exists in the corpus, and the excerpts are verbatim.
Question
When does a trademark lack distinctiveness?
Call
search_decisions({
"query": "Wann fehlt einer Marke die Unterscheidungskraft?",
"branch": "patent"
})Answer
26 W (pat) 515/10 · BPatG München · 13 July 2011
PROMA 27 W (pat) 335/03 - Gardinenland; BPatG PAVIS PROMA 24 W (pat) 256/03 - tabakwelt). Unter dem zuletzt genannten rechtlichen Gesichtspunkt fehlt auch der verfahrensgegenständlichen Marke die Unterscheidungskraft. Sie bezeichnet zwar keine …
25 W (pat) 578/17 · BPatG München · 27 September 2018
erforderliche Unterscheidungskraft, § 8 Abs. 2 Nr. 1 MarkenG, so dass die Markenstelle die Anmeldung zu Recht zurückgewiesen hat (§ 37 Abs. 1 MarkenG). 1. Unterscheidungskraft ist die einer Marke innewohnende …
25 W (pat) 530/17 · BPatG München · 8 February 2018
Unterscheidungskraft i. S. v. § 8 Abs. 2 Nr. 1 MarkenG, so dass die Markenstelle die Anmeldung zu Recht zurückgewiesen hat, § 37 Abs. 1 MarkenG. 1. Unterscheidungskraft ist die einer Marke innewohnende …
Three ways to use Patent and trademark law
Absolute grounds for refusal
Find orders of the trademark appeal senates on § 8 MarkenG, for example on lack of distinctiveness.
Patent nullity
Your agent reads judgments of the nullity senates on inventive step under § 4 PatG in full text.
Cancelling utility models
Bundle decisions on cancellation proceedings under § 15 GebrMG into one datapackage.
Connect to Patent and trademark law in a few minutes
This address searches the Patent and trademark law area only. Claude.ai and ChatGPT sign in with your account. The other routes use a token.
Claude Code: run the command in a terminal and replace YOUR_TOKEN_HERE with your token.
claude mcp add --transport http klaracase-patent-markenrecht https://klaracase.de/mcp/patent-markenrecht \
--header "Authorization: Bearer YOUR_TOKEN_HERE"Claude.ai: add a custom connector and enter this address. You sign in with your account.
https://klaracase.de/mcp/patent-markenrechtMore in the documentation: MCP documentation, REST API documentation
What Patent and trademark law covers
Decisions by court
| Court | Decisions |
|---|---|
| BPatG | 7,200+ |
Most cited norms
| Norm | Citing decisions |
|---|---|
| § 8 MarkenG | 3,600+ |
| § 71 MarkenG | 2,000+ |
| § 66 MarkenG | 2,000+ |
| § 37 MarkenG | 1,500+ |
| § 9 MarkenG | 1,300+ |
| § 64 MarkenG | 1,000+ |
| § 99 PatG | 880+ |
| § 84 PatG | 820+ |
| § 43 MarkenG | 790+ |
| § 42 MarkenG | 750+ |
Most cited decisions
| Case number | Court | Date | Cited by |
|---|---|---|---|
| 29 W (pat) 41/12 | BPatG München | 27 May 2014 | 43 |
| 27 W (pat) 40/12 | BPatG München | 17 December 2013 | 40 |
| 26 W (pat) 550/10 | BPatG München | 18 April 2012 | 40 |
| 24 W (pat) 18/13 | BPatG München | 8 April 2014 | 39 |
| 29 W (pat) 525/13 | BPatG München | 22 January 2015 | 38 |
| 33 W (pat) 511/13 | BPatG München | 3 September 2013 | 38 |
| 26 W (pat) 72/14 | BPatG München | 11 May 2015 | 37 |
| 26 W (pat) 507/17 | BPatG München | 28 August 2017 | 34 |
Statutes in this area
- PatG Patentgesetz
- MarkenG Gesetz über den Schutz von Marken und sonstigen Kennzeichen
- GebrMG Gebrauchsmustergesetz
- PatKostG Gesetz über die Kosten des Deutschen Patent- und Markenamts und des Bundespatentgerichts
What a call costs
Every call costs a fixed number of credits. New accounts get 30 credits once, valid for 30 days.
| Tool | Purpose | Credits |
|---|---|---|
| search_decisions | Search decisions | 1 |
| get_decision | Full text of one decision | 1 |
| get_norm | Current text of one norm | 1 |
| get_citation_graph | Citations of one decision | 2 |
| assemble_datapackage | Data package from several decisions | 5 |
| list_facets | List filter values | free |
Frequently asked questions
Start with Patent and trademark law
Data processing. The API and the MCP server use the same search as the web app. OpenRouter and Voyage AI process the text of a search query in the EU. Citation Check examines texts on our server in Germany, without AI services. More on privacy and security