Lawyer profile
Diana Beate Cosic
Lawyer (Rechtsanwältin), Kelz & Partner Partnerschaftsgesellschaft mbB, Marburg
- Checked in the official register of the German Federal Bar (BRAK) on 22 October 2026
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At a glance
- Languages
- English
- Focus areas
- Marriage and family law (Ehe- und Familienrecht), Joint plaintiff in criminal proceedings / victims' law (Nebenklage / Opferrecht), Social security law (Sozialrecht), Consumer insolvency (Verbraucherinsolvenz), Civil law (Zivilrecht)
Sources: Deutsche Anwaltauskunft des Deutschen Anwaltvereins, retrieved on 12 October 2026. Focus areas and opening hours are the lawyer's or firm's own words. Focus areas from the directories' fixed lists have an English label with the German term in brackets; all others stay in German.
Location of the firm
Details from the official lawyer register
- Name
- Diana Beate Cosic
- Professional title
- Lawyer (Rechtsanwältin)
- Regional bar association
- Kassel
- Admitted since
- 9 September 2002
- First admission
- 14 December 2001
- Law firm
- Kelz & Partner Partnerschaftsgesellschaft mbB
- Firm address
- Bismarckstraße 14, 35037 Marburg
- Phone
- 06421/3097830
- Fax
- 06421/3097839
- info@kelz-und-partner.de
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.edfd30fb-5e9d-438b-9576-ada3a6942627.ffdf
Source: Official lawyer register of the German Federal Bar under section 31 of the Federal Lawyers' Act (BRAO). The register is kept in German. We show names and addresses as the register gives them and add an English description to German professional titles.
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