Dr. jur. Gerd-Dieter Haar

Certified specialist in construction and architects' law (Fachanwalt für Bau- und Architektenrecht), Madert Fachanwälte GbR, Moers

Checked in the official register of the German Federal Bar (BRAK) on 21 October 2026
Overall rating 4.6 of 5, from 47 reviews of the firm

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At a glance

Languages: English
Focus areas: Architects' law (Architektenrecht), Construction law (Baurecht), Private construction law (Baurecht (privates)), Public procurement law (Vergaberecht)
Opening hours: Monday to Thursday: 7:30 to 18:00
Friday: 7:30 to 15:00

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 Ostring 6, 47441 Moers — Ostring 6, 47441 Moers. Map: © OpenStreetMap contributors

Reviews of the firm

4.6 of 5 Overall rating from 47 reviews on 1 platform. How we calculate the overall rating

Google: 4.7 of 5, 47 reviews, as of 22 October 2026

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

Details from the official lawyer register

Name: Dr. jur. Gerd-Dieter Haar
Professional title: Lawyer (Rechtsanwalt)
Specialist titles: Certified specialist in construction and architects' law (Fachanwalt für Bau- und Architektenrecht)
Regional bar association: Düsseldorf
Admitted since: 23 August 2002
Law firm: Madert Fachanwälte GbR
Firm address: Ostring 6, 47441 Moers
Phone: 02841-14000
Fax: 02841-140033
Identifier in the special electronic lawyer mailbox (beA): DE.BRAK.5eba9cc5-08e8-4350-93fc-7938550d7189.6470

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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