Lawyer profile
Jan Niklas Demmer
Lawyer (Rechtsanwalt), Osborne Clarke GmbH & Co. KG, Köln
- Checked in the official register of the German Federal Bar (BRAK) on 14 October 2026
- Overall rating 4.3 of 5
, from 25 reviews of the firm
At a glance
- Opening hours
- Montag 08:00 bis 17:30
- Dienstag 08:00 bis 17:30
- Mittwoch 08:00 bis 17:30
- Donnerstag 08:00 bis 17:30
- Freitag 08:00 bis 17:00
- Samstag geschlossen
- Sonntag geschlossen
Sources: Google, retrieved on 24 October 2026. Focus areas and opening hours are the lawyer's or firm's own words.
Location of the firm
Reviews of the firm
4.3 of 5 Overall rating from 25 reviews on 1 platform. How we calculate the overall rating
Google
These reviews apply to the firm, not to individual lawyers.
Details from the official lawyer register
- Name
- Jan Niklas Demmer
- Professional title
- Lawyer (Rechtsanwalt)
- Regional bar association
- Köln
- Admitted since
- 26 February 2025
- Law firm
- Osborne Clarke GmbH & Co. KG
- Firm address
- Innere Kanalstr. 15, 50823 Köln
- Phone
- 0221-51084000
- info.de@osborneclarke.com
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.cd64207c-e08a-4f4a-9398-ec073478e656.fc95
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.
Other lawyers at this firm
- Lea Petra Hauser
- Tanja Aschenbeck-Florange, LL.M.
- Robert Cyrus Araschmid
- Jonathan Thomas Platz
- Julian Marc Baldus
- Johanna Sophie Sittner
- Johanna Reiland
- Christian Richard von Bühler
- Elias Emanuel Wiglinghoff
- Dr. jur. Stephan Reisner
- Heiko Wolf-Dietrich Walter Petzold
- Dr. jur. Thomas Knapowski, LL.M.
Something wrong? Request a correction. We change details from the official register only when they have changed there.