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Lawyer and notary profile

Sebastian Jannsen

Civil-law notary (Notar) · Certified specialist in employment law (Fachanwalt für Arbeitsrecht), Kanzlei Jannsen, Dortmund

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At a glance

Focus areas
Employment law (Arbeitsrecht), Protection against dismissal law (Kündigungsschutzrecht), Kündigung
Opening hours
  • Monday to Thursday 8.30-12.30 & 14.00-17.30
  • Friday 8.30-14.00

Sources: the firm's website, retrieved on 24 October 2026; 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

Map of the area around Hochofenstr. 1, 44263 Dortmund
Hochofenstr. 1, 44263 Dortmund. Map: © OpenStreetMap contributors

Reviews of the firm

4.8 of 5 Overall rating from 80 reviews on 1 platform. How we calculate the overall rating

Google: 4.9 of 5, 80 reviews, as of 13 October 2026

These reviews apply to the firm, not to individual lawyers.

Details from the official lawyer register

Name
Sebastian Jannsen
Professional title
Lawyer (Rechtsanwalt)
Specialist titles
Certified specialist in employment law (Fachanwalt für Arbeitsrecht)
Regional bar association
Hamm
Admitted since
21 May 2013
Law firm
Kanzlei Jannsen
Firm address
Hochofenstr. 1, 44263 Dortmund
Further office
Schwanenwall 36-38, 44135 Dortmund
Phone
0231-39819105
Fax
0231-292730024
E-mail
info@kanzlei-jannsen.de
Website
www.kanzlei-jannsen.de
Identifier in the special electronic lawyer mailbox (beA)
DE.BRAK.37cce296-f790-402e-a9dd-866bd9d9e3ad.4e86

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.

Details from the register of notaries (Notarverzeichnis) of the Federal Chamber of Notaries (Bundesnotarkammer)

Name
Sebastian Jannsen
Official title
Lawyer and civil-law notary (Rechtsanwalt und Notar)
Official seat (Amtssitz)
Dortmund
Chamber of notaries
Westfälische Notarkammer
Appointed since
25 September 2019
Partnership
Kanzlei Jannsen
Office
Hochofenstraße 1, 44263 Dortmund
Phone
0231-39819105
Fax
0231-292730024
E-mail
info@kanzlei-jannsen.de
Website
www.kanzlei-jannsen.de

Source: Notarverzeichnis der Bundesnotarkammer (§ 78l BNotO), as of 28 October 2026. The register is kept in German.

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