BARDEHLE - Key Persons


Alexander Wunsch

Job Titles:
  • German and European Patent Attorney

Anita Peter

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Ann-Christine Hug

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Antje Weise

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Audrey SM Yap

Job Titles:
  • Managing Partner YUSARN AUDREY

Axel Munier

Job Titles:
  • Attorney - at - Law ( Avocat )

Chiew Yu Sarn

Job Titles:
  • Founding Partner and Head of the Corporate
Yu Sarn Chiew's areas of practice include corporate and commercial law and IP, with a specific focus on the commercialization of IP. In his strategic IP consultancy work, Yu Sarn Chiew advises companies, institutions and government agencies on IP strategic planning and IP governance and policy, and helps his clients enhance their in-house IP management capabilities through training and coaching. In the area of franchising and licensing, Yu Sarn Chiew's practice includes assisting Singapore and international franchisors and IP owners in franchising and licensing transactions all over Asia and other markets. The clients he has served include technology companies in areas such as software, wireless technology and healthcare, as well as venture capital and private equity fund managers, statutory boards, hospitals, multinational corporations, foreign and local law firms and internationally renowned authors and speakers. In the area of financial technology, including blockchain and cryptocurrency, Yu Sarn Chiew has advised on several initial coin offerings (ICOs) in the fields of supply chain assurance, gaming, healthcare, and mobile payments, among others. In addition, he has advised on regulatory issues relating to insurance technology as well as cryptocurrency dealer business. He has also assisted clients in making applications to be admitted to the MAS Fintech Regulatory Sandbox. Chiew Yu Sarn is a founding partner and Head of the Corporate and Commercial Department of Yusarn Audrey. Yu Sarn is an Advocate & Solicitor of the Supreme Court of Singapore, and is also entered into the rolls as a Solicitor, England and Wales.

Chloé Nicolas

Job Titles:
  • Attorney - at - Law ( Avocat )

Christine Fluhme

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Claudio A. Reineke

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Claus M. Eckhartt

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )
  • Design Specialists
  • Legal Adviser
  • Member of MARQUES
Claus Eckhartt's practice focuses on the prosecution and enforcement of trademarks, designs and copyright, as well as on unfair competition and related domain name issues. He also specializes in the field of anti-counterfeiting, parallel imports, and the licensing and merchandising of brands. As head of the firm's trademark department, Claus Eckhartt has, for almost two decades, been managing the IP portfolios of SMEs as well as multinational corporations and advising them on this matter in a diverse range of industries, including pharmaceutical, consumer health care, household goods, IT, hotel services, banking, food & beverage, fashion and clothing, as well as enforcing and defending IP rights before the European Union Intellectual Property Office, national German courts, the German Patent and Trademark Office, and the General Court in Luxembourg. Claus Eckhartt is an active member of MARQUES, INTA (currently on the Trademark Reporter Committee), PTMG and GRUR. He is also on the advisory board of Intellectual Property Magazine. He frequently speaks at conferences and seminars and regularly produces publications on topics within his areas of practice. Claus is a trusted legal adviser with a keen understanding of his clients' businesses, so his legal advice is always commercially focused. Claus is very responsive, well reasoned and concise, which is incredibly helpful in allowing clients to understand the legal issues, the risks involved and what options are available. Claus Eckhartt is a pre-eminent name in the German trademarks arena where he enjoys a stellar reputation for his leading work on trademark design and brand protection, as well as related competition issues. Claus Eckhartt is an ›excellent lawyer‹ in the international trademarks arena, and is warmly endorsed by commentators for his portfolio management expertise. Claus Eckhartt offers noteworthy expertise in trade mark prosecution matters, and also regularly advises on anti-counterfeiting and unfair competition law. His highlights include assisting Coca-Cola with trade mark prosecution, cancellation and opposition proceedings. Claus Eckhartt is an ›excellent lawyer‹ praised by sources around the world for his ›straightforward and no-nonsense advice‹. Claus Eckhartt manages and prosecutes worldwide trademark and design portfolios for international clients from the pharmaceutical, consumer health care, household goods, and food and beverages sectors, among others. He has a longstanding reputation for success and respondents see him as ›one of the very best trademark lawyers in the market‹ and ›very technically accomplished‹. Claus Eckhartt is an active member of MARQUES, INTA, PTMG and GRUR. He is also on the advisory board of Intellectual Property Magazine.

Clément Jaffray

Job Titles:
  • Attorney - at - Law ( Avocat )

Céleste Dufournier

Job Titles:
  • Attorney - at - Law ( Avocat )

Daniel Werner

Job Titles:
  • German and European Patent Attorney

Dominique Dupuis-Latour

Job Titles:
  • Attorney - at - Law ( Avocat )
Dominique Dupuis-Latour knows it inside-out. Whether filing and prosecuting patents, acting in infringement proceedings, or negotiating licensing deals, he is a reliable choice.

Dr. Amelia Saskia Jülich

Job Titles:
  • European Patent Attorney ( Pending Inscription in Representatives List )

Dr. Anna Giedke

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Dr. Axel B. Berger

Job Titles:
  • German and European Patent Attorney
  • Life Science Specialist
Axel Berger's main areas of practice include prosecuting patents as well as defending and attacking patents in opposition proceedings. Another area of his practice involves enforcing IP rights in patent infringement and (parallel) nullity proceedings before the German Federal Patent Court. Axel Berger also frequently prepares infringement and validity opinions. Berger is a life science specialist, with particular expertise in molecular cell biology and biochemistry, but equally deft in most pharmaceutical technologies, as well as medical devices.

Dr. Benjamin Ruckert

Job Titles:
  • German and European Patent Attorney

Dr. Christian Haupt

Job Titles:
  • German and European Patent Attorney

Dr. Christof Karl

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt ) & German and European Patent Attorney

Dr. Cristina Muñoz Menéndez

Job Titles:
  • European Patent Attorney

Dr. David Soler


Dr. Dominik Woll

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Dr. Georg Anetsberger

Job Titles:
  • German and European Patent Attorney
Georg Anetsberger is highly active in complex patent matters which he handles with a passion for detail without ever losing sight of the big picture. He has extensive experience from over a hundred contentious proceedings before the German and European Patent Offices, the German courts, as well as the Unified Patent Court. Georg has an excellent track record particularly in EPO opposition proceedings, and he was involved in the very first successful petition for review before the EPO. He regularly leads teams of patent attorneys for vetting larger patent portfolios to prepare litigation campaigns. Together with his team, he also drafts and prosecutes patent applications for international corporations, SMEs, and start-ups alike and, based on his expertise, particularly from contentious proceedings, knows precisely how to make the difference in establishing particularly valuable patent portfolios and how to tip the scales with decisive arguments in invalidation proceedings. Several years of interdisciplinary hands-on research in the lab of a Nobel laureate, which resulted in several thousand citations, enable Georg to quickly grasp any complex technical matter. Based on his experience and his double-qualification as a patent attorney with a graduate degree in business administration, Georg is able to always keep an eye on strategic aspects and economic needs of his clients who are active in fields such as semiconductors, lithography, solar cells, lasers, displays, medical technology, packaging technology, quantum computing, electronics, telecommunications, as well as video coding and video streaming. Georg Anetsberger is the author of several scientific publications in the fields of patent law, quantum optics and economics. He was appointed by the German Bar of Patent Attorneys as a tutor for the training of young patent attorneys. Georg Anetsberger was appointed by the German bar of patent attorneys for teaching patent attorney trainees and regularly supervises workshops of patent attorney trainees in Bavaria.

Dr. Henning Hartwig

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Dr. Jakob Sigg

Job Titles:
  • Patent Engineer

Dr. Jan Bösing

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )
Dr. Jan Bösing practices law in all areas of intellectual property, focusing on patent law. He represents clients in complex patent infringement proceedings and nullity proceedings before the German Federal Patent Court as well as opposition proceedings before the European Patent Office and the German Patent and Trade Mark Office. His wealth of experience in cross-border patent litigation is especially valuable for his international clients. Dr. Jan Bösing focuses on telecommunications, the automotive industry, electronics, and micromechanics. He also takes a keen interest in sports, which is based on his degree in sport management and his committed basketball activities. A particular focus of the IP work which Dr. Jan Bösing does is on standard-essential patents (SEPs). He advises clients on and represents clients in the enforcement of SEPs on the one hand and the defense of compulsory license under antitrust law (FRAND defense) against the assertion of SEPs on the other hand. In this context, he has been involved in multiple prominent SEP cases of the last few years on behalf of his clients and regularly supports clients out of court in negotiating licenses and evaluating portfolios. Dr. Jan Bösing also advises his clients on IP transfer and license agreements as well as research and development projects in all technical fields. He has vast expert knowledge on intellectual property in the context of corporate transactions and restructuring, having been responsible for a plurality of due diligences in the area of IP. Jan Bösing is very smart and pragmatic and has a good business perspective, delves into the specifics of the industry and problems that affect us beyond our actual case.

Dr. Jan Lersch

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Dr. Jochen Pagenberg

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Dr. Johannes S. Möller

Job Titles:
  • German and European Patent Attorney

Dr. Jonathan Steinberg

Job Titles:
  • Patent Engineer

Dr. Julian Wilhelm Renner

Job Titles:
  • Patent Engineer

Dr. Kathrin Aftahy

Job Titles:
  • Member of the Bavarian State Chamber of Pharmacists and of the German Pharmaceutical Community
  • Patent Engineer
  • Registered Pharmacist

Dr. Kerstin Galler

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )
Kerstin Galler advises as an attorney-at-law (Rechtsanwältin) with a focus in patent litigation. Prior to and during her studies of law, for several years, she worked as a biochemist in two interdisciplinary research groups in the fields of cancer and sepsis research as well as applied spectroscopy where she also gained hands-on experience with machine learning methods. At BARDEHLE PAGENBERG, she applies her knowledge as a natural scientist in the context of patent law to the benefit of the firm's clients.

Dr. Manuel Grimm

Job Titles:
  • German and European Patent Attorney

Dr. Maria Kreller-Schober

Job Titles:
  • German and European Patent Attorney

Dr. Marius Fischer

Job Titles:
  • German and European Patent Attorney
  • Member of the German Physical Society
Marius Fischer is a member of the German Physical Society (DPG) and of the Alumni Association of the Max Planck Institute for Innovation and Competition.

Dr. Martin Drews

Job Titles:
  • Attorney - at - Law
  • Attorney - at - Law ( Rechtsanwalt )
Dr. Martin Drews is an attorney-at-law who specializes in national and cross-border patent litigation. He represents clients in complex patent infringement and nullity proceedings before the Unified Patent Court, German courts as well as in opposition proceedings before the European Patent Office and the German Patent and Trademark Office. His main areas of expertise are biotechnology, medical technology, and telecommunications. Martin Drews has vast knowledge of German and European research and innovation systems, which he gained as a ministerial official at the German Federal Ministry of Education and Research, personal adviser to a Parliamentary State Secretary, as well as research policy officer of one of the largest parliamentary groups of the German Bundestag.

Dr. Maximilian Vieweg

Job Titles:
  • German and European Patent Attorney

Dr. Meike Müller

Job Titles:
  • German Patent Attorney

Dr. Michael Kobler

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Dr. Niels Gierse

Job Titles:
  • German and European Patent Attorney

Dr. Niels Malkomes

Job Titles:
  • German and European Patent Attorney

Dr. Nikolaus W. Buchheim

Job Titles:
  • German and European Patent Attorney
Dr. Nikolaus Buchheim graduated with distinction from the Swiss Federal Institute of Technology in Zurich and received his PhD degree from the Max-Planck-Institute of Quantum Optics for experimental research carried out on the fundamentals of quantum computers. Before joining the BARDEHLE PAGENBERG team he worked as an R&D project manager at Siemens AG, developing superconducting propulsion systems. Being an expert in various fields of technology, Nikolaus' practice focuses on drafting and prosecuting patent applications, patent enforcement and providing expert advice on issues such as freedom-to-operate analyses, license agreements, competitor monitoring and employee inventions.

Dr. Patrick Daum

Job Titles:
  • German and European Patent Attorney

Dr. Patrick Heckeler

Job Titles:
  • German and European Patent Attorney

Dr. Philipe Kutschke

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Dr. Philipp Bovenkamp

Job Titles:
  • German and European Patent Attorney

Dr. Ralf Heddergott

Job Titles:
  • German and European Patent Attorney

Dr. Ronja M. Schregle

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Dr. Sabine Kossak

Job Titles:
  • German and European Patent Attorney

Dr. Sebastian Rieger

Job Titles:
  • Patent Engineer

Dr. Simon Essing

Job Titles:
  • Patent Engineer
Simon Essing brings a solid background in engineering and expertise in microsystems to his professional endeavors. He holds a Master's degree in Mechanical Engineering and conducted his doctoral studies in the field of gas sensing. Simon's experience ranges from hands-on research as a research engineer in the semiconductor industry to academia as a doctoral student where he taught undergraduates and made significant contributions to R&D in sensor technology. In addition, his role as a freelance lecturer at a Singaporean university reflects his ability to communicate complex technical knowledge.

Dr. Sorel S. Stan

Job Titles:
  • German and European Patent Attorney

Dr. Stefan Lieck

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Dr. Tobias Wuttke

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Dr. Volkmar Henke

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Emely Marie Rath

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Fabian Laude

Job Titles:
  • German and European Patent Attorney

Frédéric Portal

Job Titles:
  • Attorney - at - Law ( Avocat ) & European Patent Attorney
  • New Partner in Paris

Henry Selby-Lowndes

Job Titles:
  • European Patent Attorney

Jakob M. Scheffel

Job Titles:
  • Patent Engineer

Jean-Claude Combaldieu

Job Titles:
  • Senior Consultant
Jean-Claude Combaldieu, who, as the founding President of OHIM, headed the Office from 1994 to 2000, works as a consultant at the Paris office of BARDEHLE PAGENBERG. His areas of practice cover all areas of industrial property: patents, trademarks, designs, unfair competition, domain names and licensing. From 1983 to 1994 he headed the National Institute of Industrial Property (INPI) in France. During this period, he was also the French representative on the Administrative Council of the European Patent Office (EPO) in Munich. From 1990 to 1993, he was the Chairman of the EPO's Administrative Council. In addition to these positions, he represented France before the World Intellectual Property Organization (WIPO) in Geneva. He was elected Chair of the WIPO General Assembly in 1993. He also acts as an expert with the WIPO Arbitration and Mediation Center. As a Senior Consultant at BARDEHLE PAGENBERG, Jean-Claude Combaldieu is also an honorary expert in intellectual property matters before the French Court of Appeal and the French Court of Cassation.

Joachim Mader

Job Titles:
  • German and European Patent Attorney

Johannes Heselberger

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt ) & European Patent Attorney

Johannes Lang

Job Titles:
  • German and European Patent Attorney

Julia Bernatska

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Julien Fréneaux

Job Titles:
  • Attorney - at - Law ( Avocat )
Julien Fréneaux represents clients before the French courts in all IP matters, including patents, trademarks, designs, copyright and unfair competition. His practice focuses on patent infringement and validity litigation, including appeal proceedings, before the French courts competent to hear intellectual property matters. Julien Fréneaux frequently handles cases that involve coordinating with teams of lawyers from other jurisdictions, as well as parallel litigation proceedings in different countries in a complex international litigation framework. He has handled many multinational patent conflicts concerning technologies such as medical devices and sports equipment, as well as technologies in the field of mechanical engineering. He also handles a number of fashion design infringement cases. Julien Fréneaux also deals with licensing matters, technology transfer agreements and IP-related contracts. He has led and supervised teams of auditors conducting IP due diligence during large M&A transactions. Julien Fréneaux graduated from the Center for International Intellectual Property Studies (CEIPI) at the University of Strasbourg, earning a professional degree in patent law, and from the University of Paris, earning a postgraduate degree in intellectual property law. He was admitted to the Paris Bar as a specialist in intellectual property and is a member of several IP professional associations including AIPPI, LES, and EPLAW. He is also the co-author of the French chapter of the book "Interpretation of patents in Europe: applications of Article 69 EPC". Julien Fréneaux is a go-to name in the French market who receives strong praise from peers for his adept handling of licensing arrangements and technology transfers. Julien Fréneaux is a veteran of many multi-jurisdictional patent conflicts, as well as fashion design infringement cases. He is also renowned for his licensing and transactional prowess. Julien Fréneaux is ›outstanding‹ according to impressed sources, who highlight his impressive work acting in patent infringement and validity proceedings. Julien Fréneaux knows the procedural law perfectly well - he is an outstanding lawyer. I would absolutely recommend him to others.

Karin Thanbichler-Brandl

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Lionel Vial

Job Titles:
  • French and European Patent Attorney

Maggie Huang

Job Titles:
  • German and European Patent Attorney

Marina Melchor Garrido

Job Titles:
  • Patent Engineer

Martin Hohgardt

Job Titles:
  • German and European Patent Attorney

Mathieu de Rooij

Job Titles:
  • Spanish and European Patent Attorney
  • Technical Adviser
Mathieu de Rooij's practice is focused on oppositions and appeals before the European Patent Office as well as patent drafting and patent prosecution. He is particularly active in the fields of renewable energy, medical devices, metal forming and automotive technology, but his practice includes a wide range of technologies involving mechanical engineering, aerodynamics, electronics and electrical engineering. He joined Bardehle as a partner to head the Barcelona office of BARDEHLE PAGENBERG after a career as an EPO Examiner and almost a decade as a partner in private practice in Spain. During his years at the EPO, he gained privileged insights into the EPO, its procedures and particularly the minds of examiners. Mathieu de Rooij also assists clients in infringement cases and disputes spanning multiple jurisdictions, and regularly acts as a technical expert on the validity and/or infringement of patents in Spanish court proceedings. He has also been active as speaker explaining EPO practice regarding a variety of topics, in collaboration with the EPO and its Boards of Appeal, and frequently lectures on European patent practice in Spain. Mathieu de Rooij received the Client Choice Award for Patent Law in Spain in 2015 and 2019 as well as the Client Choice Award for Patent Law in Europe in 2017. He has been highly recommended in IAM Patent 1000 for many years. Mathieu de Rooij is the key contact for Barcelona - a thoughtful, thorough and zealous professional. He is regularly sought out for his profound expertise in oppositions and appeals at the EPO and effectively capitalises on his previous experience as an EPO examiner to secure total protection for his clients' inventions. Mathieu de Rooij is a highly sought-after technical adviser with extensive knowledge and experience, particularly in pan-European disputes. He considers all possible avenues to come to a solution, and has a keen ability to make prudent strategic decisions that ultimately benefit his clients' commercial goals. Mathieu de Rooij, a former EPO examiner who knows exactly how to get applications through to grant, especially in the automotive sector. Those who have worked with him have only positive things to say: "Every collaboration with Mathieu is seamless - he is clever, pleasant and just a joy to work with." Mathieu de Rooij is an outstanding professional; he always offers fast and efficient answers to all requests.

Max Link

Job Titles:
  • Patent Engineer

Max Planck

Job Titles:
  • Postdoctoral Researcher

May Tan

Job Titles:
  • Partner YUSARN AUDREY

Michael Horndasch

Job Titles:
  • German and European Patent Attorney

Monika Harten

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Mr. Matthieu Hug

Job Titles:
  • Founder and CEO of Tilkal

Nadine Westermeyer

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Pascal Böhner

Job Titles:
  • Attorney at Law
  • Attorney - at - Law ( Rechtsanwalt )
Pascal Böhner is an attorney at law and certified IP lawyer. His practice focuses on advising clients on and conducting litigation in matters of unfair competition, trademarks, designs and domain names. Mr. Böhner is involved in the judicial and extrajudicial enforcement and defence of the IP rights of a number of the firm's clients, particularly in the fashion, entertainment and sports equipment sectors. A significant part of his practice is to advise clients on domain names issues, including managing old and new TLDs, and representing them in alternative dispute resolution proceedings. Mr. Böhner's other areas of practice include advising clients on matters relating to licensing and distribution agreements, particularly with respect to antitrust and compliance issues. Pascal Böhner is praised for his quality and pragmatism. ›He is a clear and business-oriented litigator, who provides crystalline advice on strategy and maintains an in-depth knowledge of German courtroom practice.‹

Phyllis Graf

Job Titles:
  • Patent Engineer

Preston Richard

Job Titles:
  • European Patent Attorney

Prof. Dr. Alexander von Mühlendahl

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )

Prof. Dr. Tilman Müller-Stoy

Job Titles:
  • Attorney - at - Law ( Rechtsanwalt )
  • SEP Experts

Rebecca Delorey

Job Titles:
  • Attorney - at - Law ( Avocat )
  • Member of the International Trademark Association
Rebecca Delorey's main areas of practice include protecting, exploiting and enforcing trademarks, industrial designs and copyright. For almost twenty years, she has been advising both large and small clients in a broad range of industries (automotive, electronics, pharmaceuticals, food & beverage, fashion and sportswear) with regards to protecting IP assets and defending them before the European Union Intellectual Property Office, national trademark offices and courts as well as the General Court in Luxembourg. She has extensive experience representing and defending well-known brands in cases relating to counterfeiting, infringement, parallel imports and other acts of trademark misuse, helping them to develop and deploy the most suitable strategies for their business objectives. These include inter alia liaising with customs and law enforcement authorities, online policing, investigations and court litigation. Disputes relating to domain names and Community designs are also a key aspect of her practice. In addition to her contentious practice, Rebecca is responsible for the management and prosecution of large trademark and design portfolios. Rebecca Delorey is a trademark, domain name and anti-counterfeiting maven who treats the EUIPO like a second home. Strategic in her advice and fierce in her advocacy, she deftly handles contentious mandates and goes above and beyond for her clients. Rebecca Delorey heads the French trademarks and designs practice. Her experience has moulded her into one of the country's premier filers, advocates and advisers. ›She is superb and highly recommendable - her way of handling matters is extremely pleasing.‹ Rebecca Delorey is hailed as ›absolutely brilliant‹ and an ›excellent trademark lawyer‹ by peers. She has extensive experience advising clients operating in a range of areas including the pharmaceutical, fashion and automotive industries. Rebecca Delorey is highlighted as ›one of the top IP lawyers in France‹ by sources who consider her ›brilliant, highly technical, commercial and very client-friendly‹. A ›leader in the field‹, Rebecca Delorey is the anchor of the practice. Her clients include ultra-high-resolution camera company RED.com, Yum! Brands, BMW, Easy Group, Vans and many more, all of which look to her as a trusted strategic and business adviser. Rebecca Delorey is ›one of the best‹, marrying a ›practical, commercial and solutions-orientated‹ style with ›approachability and responsiveness‹. She is hailed both in France and internationally for her work across a broad range of transactional and international trademark litigation issues.

Rebekka Jeschke

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Sabrina Smyczek

Job Titles:
  • German and European Patent Attorney

Saskia Mertsching

Job Titles:
  • Attorney - at - Law ( Rechtsanwältin )

Siho Chang

Job Titles:
  • Korean and European Patent Attorney
Siho Chang has extensive experience in Korean, EP, and US patent prosecutions, appeals and many other IP-related opinion work regarding validity and infringement for various domestic and foreign clients. He is specialized in electrical engineering, telecommunications, and cellular standard-essential patents (SEPs). Siho Chang has a diverse academic background in electronics engineering, information communication, and law. He has also been licensed to practice in different jurisdictions including Korea, USA, and EP. Siho Chang has a Bachelor of Science (B.Sc.) in Architectural Engineering and Electronics Engineering, a Bachelor of Law (LL.B.), a Master of Science (M.Sc.) in Information Communication, and a Master of Law (LL.M.).

Thomas Schäfer

Job Titles:
  • European Patent Attorney

Tobias Kaufmann

Job Titles:
  • German and European Patent Attorney

Udo W. Altenburg

Job Titles:
  • German and European Patent Attorney
  • Patent Attorney
Udo Altenburg has a long-standing reputation as an influential patent attorney. He is especially well known for his experience in opposition and appeal proceedings across a range of technical fields, including medical devices and mechanics. Udo Altenburg remains a renowned figure for his experience in patent prosecution matters, including multitudinous opposition and appeal proceedings before the EPO. He has a strong background in physics, where his focus encompasses medical devices and measurement technology. Patent attorney Udo Altenburg has represented national and international clients in many opposition and appeal proceedings before the European Patent Office; coordinating extensive multinational proceedings with multilingual, interdisciplinary teams.

Wolfgang Dost

Wolfgang Dost is now retired, but Udo Altenburg remains with the firm in his capacity as of counsel.

Yu Sarn Chiew

Job Titles:
  • Co - Managing Partner YUSARN AUDREY