MUNICH

BDPE Patent Attorneys and Attorneys at Law

Ottostraße 4
D-80333 München

Fon +49 (0)89 – 21 53 819-0
Fax +49 (0)89 – 21 53 819-19

mail@bdpe.de

DÜSSELDORF

BDPE Patent Attorneys and Attorneys at Law

Tersteegenstr. 28
D-40474 Düsseldorf

Fon +49 (0)211 – 30 27 66-0
Fax +49 (0)211 – 30 27 66-10

mail@bdpe.de

Stefan Demmel

Patent attorney | Munich

Patent Litigation

„The lawyers at Braun-Dullaeus Pannen Emmerling demonstrate a very high level of commitment, a wealth of experience and high patent law skills.“

– Chambers Global Guide 2025

„The lawyers at Braun-Dullaeus Pannen Emmerling have a deep understanding of the technology and vast experience, which helps us to understand and solve litigation matters.“

– Chambers Global Guide 2025

„Braun-Dullaeus Pannen Emmerling is an excellent law firm with people who really understand patent litigation and are very easy to work with.“

– Chambers Global Guide 2025

„I like that Braun-Dullaeus Pannen Emmerling are engaged in the service they are providing us with, and that the lawyers there are always very available.“

– Chambers Global Guide 2025

„Braun-Dullaeus Pannen Emmerling’s strength is how deep the lawyers there dig into technical matters.“

– Chambers Global Guide 2025

„Friedrich Emmerling’s team is characterized in particular by its considerable experience in contentious patent proceedings. All members of the team are very sociable, making it easy to work with them. Work products are delivered quickly, punctually and are always very well-founded and meaningful.“

– The Legal 500 Deutschland 2025

„Highly committed team with an efficient and structured way of working, very good specialist knowledge and excellent availability.“

– The Legal 500 Deutschland 2025

„High level of willingness to get to grips with and understand all the details of the technology. Very short response time.“

– The Legal 500 Deutschland 2025

„They have vast experience in litigating telecom patents. The team is very approachable and easy to work with. The responsiveness is great, and the knowledge of EPO as well as FPC case law is unbeatable.“

– MIP STARS 2025

„I would choose BDPE for their excellent technical expertise in the area of telecommunication as well as for their professionalism. Their managing partner, Friedrich Emmerling, would approach a problem from all possible directions and find a solution for the client.“

MIP STARS 2025

„Excellent collaboration during patent litigation, with knowledge about technological aspects of the case.“

MIP STARS 2025

„We selected them because of their outstanding performance in nullity actions and defence work in infringement actions.“

– MIP STARS 2023

„The firm understands the business of the client and is clear and transparent in its communication. Excellent forensic work.“

– MIP STARS 2023

„In the fields of physics, electrical engineering and electronics, and mechanical patent litigation, the firm sets new standards for Germany.“

The Legal 500 Deutschland

„For contentious proceedings, in particular for nullity proceedings or infringement proceedings accompanied by patent attorneys, Maikowski & Ninnemann, BRAUN-DULLAEUS PANNEN EMMERLING, df-mp as well as the already mentioned Bardehle Pagenberg and Cohausz & Florack are among the top addresses; Zimmermann & Partner Patentanwälte mbB and Maiwald Intellectual Property also enjoy an excellent reputation in the market.“

The Legal 500 Deutschland

„Four partners and several staff work proactively to provide a complete service ranging from providing non-infringement or infringement arguments, successfully fighting for or against the validity of patents, knowing about and finding necessary evidence, suggesting workarounds to problems, and usually winning cases or suggesting useful solutions.“

The Legal 500 Deutschland

„Service-oriented patent attorneys who go above and beyond for their clients. The attorneys exhibit the knowledge level of top technical specialists and, through this, light can be shed on weak arguments of the opposite party.“

– IAM Patent 1000 Guide 2022

„The patent attorneys are all highly experienced and drive their work while being practical and efficient.“

– Chambers Global Guide 2021

„The team is detail oriented, sensible and shows great judgement.“

– IAM Patent 1000 Guide 2021

Stefan Demmel | Patent attorney| BDPE Munich

Stefan Demmel is a patent attorney and has been practicing intellectual property since more than 5 years. Until he joined BDPE in 2023, his main focus was on drafting patent applications as well as on patent prosecution. Beyond his comprehensive knowledge in claim drafting, he contributes an extensive technical knowledge. At BDPE, he is actively involved in patent litigation proceedings.

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Stefan is admitted to practice as a patent attorney since October 2022. His technical expertise extends in particular to the fields of communications engineering, electrical engineering, semiconductor technology, heating engineering, mechanical engineering, data processing and software.

During his studies in electrical engineering and information technology at the Technical University of Munich, he was able to acquire both broad and in-depth technical knowledge, especially in the field of communications and high-frequency engineering.

Fon +49 (0)89 – 21 53 819-27
stefan.demmel@bdpe.de

Qualifications

  • German Patent Attorney
  • European Patent Attorney
  • European Trademark and Design Attorney
  • Study of Electrical Engineering and Information Technology (M.Sc., TU München)

Authorized to represent

  • Germany:
    • Federal Court of Justice (only patent nullity proceedings)
    • Federal Patent Cout (BPATG)
    • German Patent and Trade Mark Office (DPMA)
  • Europe:
    • European Patent Office (EPO)
    • European Union Intellectual Property Office (EUIPO)
  • International:
    • World Intellectual Property Organization (WIPO)

Technical fields

Telecommunications/ Mobile Communications

Electrical and information technology

Software

Audio-video encoding

Semiconductor