Lawyer profile
Boris Diem
Certified specialist in intellectual property law (Fachanwalt für gewerblichen Rechtsschutz), Gollhofer Weidlich Leser, Mannheim
- Checked in the official register of the German Federal Bar (BRAK) on 21 October 2026
- Overall rating 4.0 of 5
, from 21 reviews of the firm
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At a glance
- Languages
- English, French, Spanish
- Focus areas
- Business and corporate law (Wirtschafts- und Unternehmensrecht), Competition law (incl. unfair competition) (Wettbewerbsrecht), Trade mark law (Markenrecht), Commercial tenancy law (Gewerberaummietrecht), Company law (Gesellschaftsrecht)
- Opening hours
- Monday to Friday: 09.00 to 12.30 and 13.30 to 17.00
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
Reviews of the firm
4.0 of 5 Overall rating from 21 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
- Boris Diem
- Professional title
- Lawyer (Rechtsanwalt)
- Specialist titles
- Certified specialist in intellectual property law (Fachanwalt für gewerblichen Rechtsschutz)
- Regional bar association
- Karlsruhe
- Admitted since
- 16 July 1999
- Law firm
- Gollhofer Weidlich Leser
- Firm address
- Lessingstr. 1, 68165 Mannheim
- Phone
- 0621-180648232
- Fax
- 0621-18064821
- b.diem@ra-gwl.de
- Website
- www.ra-gwl.de
- Identifier in the special electronic lawyer mailbox (beA)
- DE.BRAK.3287f09a-caa3-48e2-8705-cf0b0a884db7.ff8e
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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