M.Sc. Sebastian Flach

German Patent Attorney, European Patent Attorney, Representative before the Unified Patent Court (UPC)

sflach@grunecker.de     S/MIME

+49 (0) 89 21 23 50

Office: Munich

Languages: German, English, Spanish


Sebastian Flach joined Grünecker in 2017, specialising in patent matters, particularly within mechanical and plant engineering, aerospace technology, and civil engineering. Additionally, he offers counsel in control technology, explicitly regarding motors.

With extensive experience in drafting intricate patent applications and conducting efficient patent prosecution, including oppositions and challenging appeal proceedings, Sebastian has represented clients before both the German Patent and Trademark Office (DPMA) and the European Patent Office (EPA).

His diverse technical expertise makes him a sought-after resource for interdisciplinary innovations like hybrid drives.

Furthermore, Sebastian conducts infringement and nullity analyses and specialises in employee invention law.

Sebastian is a member of the DGLR.


  • Patent Law
  • Trademark Law
  • Designs

Technical fields

  • Machine construction
  • Plant Engineering
  • Automotive Engineering
  • Aerospace Engineering
  • Fluid Mechanics


  • Master’s degree in aerospace engineering, Technical University of Munich, 2011-2016
  • Work in extruder construction, in particular the construction of single and twin-screw extruders, 2014-2015
  • Working student for the Chair of Lightweight Construction in the field of fiber composites, 2015
  • Professional experience in interior and exterior (quality assurance) in the automotive sector at Seat in Spain, 2016-2017
  • Start of employment at Grünecker, 2017


Race to the new super battery
September 2022

E-car technologies:Development status and strategies of German car manufacturers in international comparison
September 2023