Dietrich Blumenröhr

German

29+ years of experience

Language:

English, German

Present Function:

Partner, LBP Lemcke, Brommer & Partner, Patentanwälte mbB, Karlsruhe, Germany;
European Patent Attorney;
UPC Representative;
CEDR Accredited Mediator;
German Patentanwalt;
European Trademark Attorney;
European Design Attorney;
Dipl.-Ing. (Mechanical Engineering).

General Expertise:

Technical Expertise:

Certifications and/or licenses

Patentanwalt - German Patent Attorney, German Patent and Trademark Office (DPMA), 1996
European Patent Attorney, European Patent Office (EPO), 1996
European Trademark Attorney, European Union Intellectual Property Office (EUIPO), 1996
European Design Attorney, European Union Intellectual Property Office (EUIPO), 1996
UPC Representative, Unified Patent Court, 2023
CEDR Accredited Mediator, Centre for Effective Dispute Resolution, 2025
WIPO Advanced Course on Arbitration and Mediation Procedure under the WIPO Rules, 2025

Professional legal or litigation experience related to the scope of competence of the PMAC

Since 1996, practicing as a German and European Patent Attorney, representing clients in numerous patent and trademark disputes before German courts (Landgerichte, Oberlandesgerichte, Bundesgerichtshof), the German Patent and Trademark Office (DPMA), the European Patent Office (EPO), and the Unified Patent Court (UPC).

Approximately 20 patent infringement cases before German courts (Landgerichte Mannheim, Düsseldorf, München; Oberlandesgerichte Karlsruhe, München; Bundesgerichtshof).

Approximately 25 patent opposition proceedings before the German Patent and Trademark Office (DPMA) and Federal Patent Court (BPatG).

Approximately 15 patent opposition proceedings before the European Patent Office (EPO) and its Boards of Appeal.

Approximately 20 patent nullity proceedings before the Federal Patent Court (BPatG) and Federal Supreme Court (Bundesgerichtshof, BGH).

Representation in over 1,500 patent applications (domestic and international) and over 200 utility model filings.

Representation in over 5,000 trademark applications (domestic and international) and over 1,500 trademark opposition proceedings.

Technical fields: Construction technology, automotive exhaust systems, coffee machines, sanitary installations, kitchen appliances.

Duration: 1996 – present
Institution / Employer: Partner at LBP Lemcke, Brommer & Partner, Karlsruhe, Germany

Professional technical experience related to the scope of competence of the PMAC

Representation of clients as German and European Patent Attorney in patent filings and utility model proceedings since 1996.

Technical expertise mechanical engineering, construction technology, automotive systems, household appliances, coffee machines, sanitary installations, kitchen appliances, woodworking machines, and metal-cutting machines.

Memberships and/or accreditations

IMI Qualified Mediator
INTA – Directory of Trademark Mediators
Mediation Committee, ECTA, Brussels
EUIPO-Link Committee, ECTA, Brussels
German Patent Attorneys Bar Association
epi (European Patent Institute)
FICPI (Fédération Internationale des Conseils en Propriété Industrielle)
LES (Licensing Executives Society)
GRUR (German Association for the Protection of Intellectual Property)

Practical experience of conducting mediation or conciliation or judicial settlement conferences or out-of-court dispute settlements in disputes related to the scope of competence of the PMAC

Since 1996, acting as German Patent Attorney, European Patent Attorney, and European Trademark Attorney, representing clients in numerous out-of-court dispute resolutions and settlement negotiations:

Approximately 10 settlement negotiations in patent infringement cases before German courts (Landgerichte, Oberlandesgerichte, Bundesgerichtshof).

Approximately 5 settlement negotiations in patent opposition proceedings before the German Patent and Trademark Office (DPMA), Federal Patent Court (BPatG), and EPO Boards of Appeal.

Approximately 5 settlement negotiations in patent nullity proceedings before the Federal Patent Court (BPatG) and Federal Supreme Court (Bundesgerichtshof, BGH).

More than 300 settlement negotiations and out-of-court agreements in trademark opposition proceedings before DPMA, EUIPO, and foreign IP offices.

All proceedings conducted in German and English.

Role: Counsel / Patent Attorney / European Patent Attorney / European Trademark Attorney