Sabine Tesch

Dr.-Ing. Dipl.-Ing.
German Patent Attorney
European Patent Attorney
European Trademark and Design Attorney

Sabine Tesch began studying chemical engineering at the University of Karlsruhe, now known as the Karlsruhe Institute of Technology (KIT), in 1992. Majoring in mechanical process engineering and food processing technology, she gradated in 1997 with a Master’s degree in engineering (“Dipl.-Ing.”). In 2001, she earned her doctorate (“Dr.-Ing.”) in engineering after submitting her thesis on the subject of “Characterization of Mechanical Emulsifying Techniques: Droplet Size Production and Stabilization as Part of the Emulsification Process”. She completed patent attorney legal training at the German Patent and Trademark Office, the Federal Patent Court and the Civil Court for Patent Litigation in Mannheim, passing her bar exam in 2005. By 2008 she was licensed to practice law as a European Patent Attorney, and since 2023 as Representative before the Unified Patent Court.

Sabine Tesch focuses her practice on the technical fields of process engineering, with emphasis on dispersion technology, emulsification, fluid engineering, product formulation, rheology, particle size analysis, and plant construction engineering. She also has many years of experience in trademark law, license as well as research and development agreements.


Gunther Friderichs

Dipl.-Ing. Physics Engineer 
Patent Engineer (University of Applied Sciences)
German Patent Attorney
European Trademark and Design Attorney

Gunther Friderichs, a patent attorney and an attorney-at-law as well as Representative before the Unified Patent Court, began studying legal sciences in Mainz in 1993 while earning a second degree in physics, passing his first legal state exam in 1997. After interning at Wiesbaden’s Environmental Office and in the Linde AG’s legal department, he passed his second state exam in 1999, specializing in economic law, and was admitted to practice law as of 2000. In addition, he completed his studies in patent engineering and technical physics  between 1999 and 2004. Beside his work as an attorney, Gunther Friderichs worked as lecturer in a legal coaching institute in Mainz until 2002.

Gunther Friderichs focuses his practice on the technical fields of mechanical engineering, materials, manufacturing engineering and medical technology. His areas of legal expertise also include infringement, Freedom to Operate research and analyses well as contract, trademark and design laws. 


Stefanie Augspurger

Associated Attorney-at-Law
Master of Laws (LL.M.)

Stefanie Augspurger passed her second state exam in 2001 to become a lawyer. She and Gunther Friderichs established their law practice, “Augspurger, Friderichs” in Bingen am Rhein, later to become “Augspurger Tesch Friderichs”.

She studied law at the University of Mainz and, upon completing her studies in legal informatics in Hannover and in Oslo, she received her Masters of Laws (LL.M.) degree. Today, she supports our law firm as an associated lawyer.