Lawyer and notary profile
Johannes Haas, LL.B.
Lawyer (Rechtsanwalt), Civil-law notary (Notar), Dittmar Rechtsanwälte Partnerschaft mbB, Hanover
- Checked in the official register of the German Federal Bar (BRAK) on 21 October 2026
- Overall rating 4.4 of 5
, from 8 reviews of the firm
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At a glance
- Languages
- English
- Focus areas
- Company law (Gesellschaftsrecht), Real estate law (Immobilienrecht), Inheritance law (Erbrecht), Marriage and family law (Ehe- und Familienrecht)
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
Reviews of the firm
4.4 of 5 Overall rating from 8 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
- Johannes Haas, LL.B.
- Professional title
- Lawyer (Rechtsanwalt)
- Regional bar association
- Celle
- Admitted since
- 27 November 2018
- Law firm
- Dittmar Rechtsanwälte Partnerschaft mbB
- Firm address
- Warmbüchenstraße 16, 30159 Hannover
- Phone
- 0511-39089770
- Fax
- 0511-39089799
- info@dittmar-law.com
- Website
- www.dittmar-law.com
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.32c21ddd-6d29-4ffa-9f07-57d85460fc06.e2a2
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
- Johannes Haas, LL.B.
- Official title
- Lawyer and civil-law notary (Rechtsanwalt und Notar)
- Official seat (Amtssitz)
- Hannover
- Chamber of notaries
- Notarkammer Celle
- Appointed since
- 9 February 2026
- Office
- Warmbüchenstraße 16, 30159 Hannover
- Phone
- 0511 39089770
- johannes.haas@dittmar-law.com
Source: Notarverzeichnis der Bundesnotarkammer (§ 78l BNotO), as of 28 October 2026. The register is kept in German.
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