Dr. Matthias Wahn

Dipl.-Phys., Patentassessor

Matthias Wahn studied physics at the Technical University of Berlin and the University of Strathclyde, Glasgow, Scotland. He obtained his Ph.D. at the Fritz Haber Institute, Berlin, and the Max Planck Institute for Iron Research, Düsseldorf, in the field of solid state physics. As a postdoctoral fellow at an international chemical company in Germany, he was engaged in the development of organic semi-conductor materials.

Matthias Wahn has been working in the field of Intellectual Property since 2011. In 2018, Matthias Wahn joined the firm of Gulde & Partner.

Practice Areas

  • National and International Patent Law 
  • Patent Application Proceedings 
  • Patent Analyses

Technology Areas

  • Physics
    Semiconductor Technology, Optics
    Mechanics, Mechanical engineering and equipment manufacturing
    Consumer products


German, English

Carsten Niepelt

Dipl.-Ing., LL.M., German Patent Attorney, European Trademark and Design Attorney

Carsten Niepelt studied electrical engineering at the University of Dortmund with a focus on robotics and data processing. Since 1996, Mr. Niepelt has been working in intellectual property law in law firms and industry. In 2008 he completed his Master of Intellectual Property Law and Management at CEIPI.

Since 2018 Mr. Niepelt works for Gulde & Partner.

Practice areas

  • Patent application proceedings
  • Patent litigation

Technology areas

  • Electrical engineering
  • Telecommunications
  • Digital image and signal processing
  • Robotics

German, English

Karl Bühler

Dipl.-Ing. (FH), European Patent Attorney

Karl Bühler studied precision engineering at the Munich University of Applied Sciences and electrical engineering at the Technical University of Munich. As part of his diploma thesis he acquired extensive knowledge in the range of hybrid integrated circuits.

Subsequent to his studies, Mr. Bühler worked for ten years as a development engineer and group leader in the field of inkjet printing for Siemens AG, München/Berlin and for Inkjet Systems, München/Berlin, an affiliated company of Kodak, Rochester, USA.

In 1995 Mr. Bühler took over management of the legal department as Patent & Legal Coordinator in a Swiss company in the field of printing solutions. During ten years in this position, and in charge of all associated companies in Europe, the U.S. and Asia, he acquired comprehensive knowledge in the range of intellectual property with particular emphasis on strategic patent management, including the acquisition, enforcement and defense of national and international IP rights.

From there he moved on to counselling international clients on IP matters with a focus on intellectual property landscape analyses, including patent licensing, research and development agreements, patentability, freedom to operate, and validity of IP rights.

Mr. Bühler was admitted as representative before the European Patent Office in 2017.

Karl Bühler joined Gulde & Partner in 2018.

Practice areas

  • European and international patent law
  • Patent applications
  • Patent examination proceedings

 Technology areas

  • Precision engineering / mechatronics
  • Mechanical & apparatus engineering
  • Digital imaging technology (inkjet, thermal & laser printing)
  • Electrical controls & electronics
  • Hydraulics
  • Medical technology
  • Process technology
  • Automotive systems

German, English, French, Italian, Spanish

Mark Heinrich

Dipl.-Ing., German Patent Attorney

Mark Heinrich graduated from the Technical University Berlin with a diploma in Mechanical Engineering in the year 2012. In Mark Heinrich specialized in product design engineering, machine tool systems and production technology.

He further gained international working experience in India and Morocco in the automotive industry and in the field of solar energy.

After his studies, Mark Heinrich worked as a development engineer mainly involved in designing machine tools for laser-based material processing. His major responsibilities covered the accomplishment of technological feasibility studies, the development and design of laser machine tool systems and quality control during production ramp-up.

Mark Heinrich further gained work experience with the establishment of an industrial patent department.

Mark Heinrich works for Gulde & Partner since 2014.

 Practice Areas

  • Patent applications and patent examination proceedings
  • Patent infringement analysis and risk assessment
  • Patent opposition proceedings

Technology Areas

  • Mechanical engineering
  • Production technology
  • Automotive technology
  • Medical technology

German, English, Spanish, French