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Braun-Dullaeus Pannen Emmerling

Germany

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Key contacts
Partner: Dr Friedrich Emmerling
Partner: Franck Klein
Partner: Melanie Zani
Partner: Heinrich Pannen
Partner: Markus Kreuzberg
Quick facts
Established

2019

Number of Partners

6

Number of IP Practitioners

5

Languages

German, English, French, Chinese (Mandarin), Dutch

Office Location

Munich and Dusseldorf

Key practice areas
Trade mark
Patent
Patent prosecution
Patent disputes - patent & trade mark attorney firms
Patent prosecution - patent & trade mark attorney firms
Firm overview
BDPE is a Munich-based patent attorney boutique dedicated exclusively to patent litigation and widely recognised as one of Germany’s most active and specialised teams for complex, high-stakes disputes. Since its founding in 2019, the firm has established itself as a go-to practice for technically demanding, multi-jurisdictional patent litigation.

The firm is particularly renowned for its work in technically complex, high-stakes patent litigation, particularly in standard-essential patent (SEP) and FRAND matters across fields such cellular communications, WiFi, and IoT/connected vehicles. BDPE regularly coordinates infringement, validity, and opposition strategies across jurisdictions, delivering fully integrated litigation approaches where technical detail and procedural precision are decisive.

BDPE’s full-service patent attorney team representing leading international clients successfully in multijurisdictional patent disputes before the European Patent Office (EPO), German Courts, and the Unified Patent Court (UPC). The team is especially noted for defending against SEP assertions and for aligning complex technical arguments with the evidentiary and procedural requirements of different forums. The team has particular expertise in coordinating infringement and validity strategies, including parallel EPO opposition and UPC revocation proceedings.

The firm has played key roles in landmark disputes shaping the European patent landscape, including Huawei v. MediaTek, Huawei v. Netgear, Huawei v. Amazon, Solaredge v. Huawei, Huawei v ZTE, Unwired Planet v Huawei and the Intellectual Ventures litigation against Deutsche Telekom, Vodafone, Telefónica Huawei etc., Conversant v Huawei, Nokia v. Daimler and other major SEP disputes before German courts, the EPO, and the UPC. It is regularly instructed in large-scale, multi-jurisdictional litigation for leading international technology companies, often coordinating with top-tier law firms. This experience allows BDPE to combine legal, technical, and commercial considerations into coherent litigation and negotiation strategies.

A defining strength of BDPE is its ability to translate highly complex technologies into clear, persuasive, and evidence-driven arguments. The team combines deep technical expertise in mobile communications, automotive and connected car systems, semiconductors, software, and renewable energy with rigorous testing methodologies and evidentiary strategies that withstand scrutiny in court.

With patent attorneys dedicated exclusively to litigation, BDPE offers a level of focus and specialisation that sets it apart in the market. Clients rely on the firm for its technical precision, strategic clarity, and ability to manage high-value disputes efficiently across multiple jurisdictions.

BDPE advises a broad international client base, including multinational technology companies, automotive suppliers, and telecommunications businesses, and operates through a strong global network to support complex cross-border litigation. The multilingual team, including Mandarin speakers, enables direct communication with international in-house teams and smooth coordination across Europe and beyond.

With its exclusive focus on litigation, proven results for inventors, and deep experience in SEP and high-technology disputes, BDPE is a trusted Tier-1 patent litigation partner. For companies seeking a technically driven, litigation-focused partner in Europe, BDPE delivers Tier-1 expertise, proven results, and strategic guidance that consistently shapes outcomes in high-stakes patent disputes.
Diversity

At BDPE, we believe that true innovation starts with people. Over the past year, we have continued to strengthen initiatives that directly benefit our clients by fostering diversity, multilingual capabilities, and high professional standards across our team.

We are proud to maintain a diverse team of patent attorneys, attorneys-at-law, and support staff representing a wide range of nationalities from both Europe and Asia. Collectively, our professionals speak 11 languages, including Mandarin, enabling us to engage directly with clients around the world without the need for intermediaries. This linguistic and cultural fluency allows us to offer more effective, nuanced service and build stronger, trust-based relationships with international clients, particularly in complex cross-border matters.

Our recruitment practices are grounded in principles of inclusion and non-discrimination. We actively seek out individuals who bring not only technical excellence but also diverse perspectives that enrich our practice and our ability to serve clients with empathy and cultural awareness.

Key practice areas

Copyright, Designs, Patent litigation, Patent office proceedings, Patent prosecution, Patent strategy & counseling, Trade mark litigation, Trade mark office proceedings, Trade mark prosecution, Trade mark strategy & counseling

Sector expertise

Telecommunications and mobile communications, Electrical engineering, Semiconductor, Automotive and connected cars, Mechanical engineering, Medical engineering, Software, Electronics, LED technology, Photovoltaic technology, Video and audio coding, Wireline communications, Computer science, Information technology, Renewable energy/power electronics, Mechanics and medical devices, Computer technology and services, Electrical, Furniture, ICT & software, Internet, Optics & photonics, Technology hardware, Utilities, Nanotechnology

Tel:+49 89 21 53 81 90 Fax:+49 89 21 53 81 919 Email:Contact Us Web Address:https://bdpe.de/en/startseite-english/
2026 Edition
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Overview
Braun-Dullaeus Pannen Emmerling (BDPE) is well known for their expertise in electronics and telecommunications patent work, particularly patent disputes. The firm can also advise on trade mark protection work.

Notable patent attorneys: Friedrich Emmerling and Franck Klein.

Notable lawyer: Heinrich Georg Pannen.

 
Testimonials

2026

"BDPE is very litigation focused, having deep practical knowledge of the German courts and can apply such knowledge to develop practice oriented strategic advice to common clients."

"Highly knowledgeable about complex technology, in particular in the telecoms field; attention to detail; easy to work with."

"BDPE stands out for its highly specialised and strategic approach to patent litigation. The team combines exceptional technical expertise with strong legal capabilities and is particularly effective in handling complex and multi-jurisdictional disputes. Their ability to develop compelling arguments and anticipate challenges early makes them a highly reliable and efficient partner."

"Although our interaction is primarily focused on litigation, the team demonstrates a strong understanding of how prosecution and enforcement interrelate. Their approach is coherent, strategic, and aligned with litigation objectives, ensuring effective and commercially sound outcomes."

"In litigation matters, the team provides precise, well-structured, and commercially focused advice. Their guidance is reliable, pragmatic, and highly effective."

Friedrich Emmerling

"Friedrich Emmerling is an outstanding patent litigator with exceptional technical expertise and a highly strategic approach to complex disputes. He is particularly strong in handling multi-jurisdictional matters and is known for his ability to analyse intricate technical issues in depth and translate them into clear and effective legal strategies. His extensive experience, commercial awareness, and hands-on involvement make him a highly reliable and effective partner in demanding litigation matters."

 

2025

The team impressed a client with their "responsiveness, willingness to fight for their clients, and ability to handle large litigation campaigns".

"BDPE prepares patent litigation [considering] any conceivable situational condition. BDPE continues hard work on the preparation of patent litigation until they have achieved the maximum outcome."

Friedrich Emmerling

"Dr. Friedrich Emmerling would approach the problem from all possible directions and find a solution for the client."

 

2024

“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.”

“I would choose BDPE for their excellent technical expertise in the area of telecommunication as well as for their professionalism."

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

 

2023

"They have an excellent understanding of the underlying technology, extensive commitment and great teamwork."

 

2022

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

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

Linked Reviews
Patent

Case studies show patent prosecution, opposition, and court litigation work. Clients include Deutsche Telekom, Telefónica Deutschland, Huawei Technologies, Dreame Technology, Philip Morris, and adidas. Katja Latos and Michael Behmke have left the firm.

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