- Overview
- Frankfurt am Main
- Jan Fredrik Martenstein
Lawyer profile
Jan Fredrik Martenstein
Lawyer (Rechtsanwalt), Martenstein Rechtsanwälte, Frankfurt
- Checked in the official register of the German Federal Bar (BRAK) on 15 October 2026
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- Languages
- English
- Focus areas
- Bank- Kapitalmarktrecht, Brokers' and estate agents' law (Maklerrecht), Tenancy law (Mietrecht), Traffic law (Verkehrsrecht), Handels- und Gesellschaftsrecht, Inheritance law (Erbrecht), Employment law (Arbeitsrecht), Capital markets law (Kapitalmarktrecht), Banking and capital markets law (Bank- und Kapitalmarktrecht)
Sources: the firm's website, retrieved on 24 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
- Jan Fredrik Martenstein
- Professional title
- Lawyer (Rechtsanwalt)
- Regional bar association
- Frankfurt
- Admitted since
- 7 July 2004
- Firm address
- Untermainkai 19, 60329 Frankfurt
- Phone
- 069-247517890
- Fax
- 069-247517899
- kanzlei@martenstein.com
- Website
- www.martenstein.com
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.9a452826-1d9a-4edb-a09a-731c7626280f.60c5
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.
Law firm: Martenstein Rechtsanwälte
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