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You can rely on a team with a wide variety of specialisms to take care of your industrial property rights:



Dr. Anastassios Pischitzis

Dr. Johannes Gierlich


  Dr. Johannes Gierlich    

Dr. Johannes Gierlich, Dipl.-Chem.


German Patent Attorney
European Patent Attorney
European Trade mark and Design Attorney

Representative at the Austrian Patent Office

Representative at the Unified Patent Court (UPC)



Technical specialist areas:

  • Chemistry
  • Bioorganic Chemistry
  • Biochemistry
  • Analytics
  • Diagnostics
  • Nanotechnology
  • Pharmacy
  • Process chemistry
  • Medical technology


Other specialist areas:
Application procedure, examination, opposition and invalidity proceedings, support in infringement cases, registered design and trademark law, employee invention law, due diligence, freedom to operate expert reports, patent assessments, portfolio management.



Degree in chemistry at Philipps University in Marburg, specializing in organic chemistry, theoretical chemistry and bioorganic chemistry. Studied abroad at Auckland University (New Zealand) in the field of parity violation.


PhD in the field of organic chemistry/biochemistry under Prof. Carell at Philipps University in Marburg and Ludwig Maximilian University of Munich (summa cum laude; thesis title: “Selective modification of DNA by copper-catalysed 1,3-dipolar cyclo-addition.“).


During the PhD, scholarship holder of the Fonds der Chemischen Industrie and the Römer prize from the Dr. Klaus Römer Institute.


Working in the field of industrial property protection since 2007.



Examination Committee for the European Qualifying Examination

German Chamber of Patent Attorneys

EPI (Institute of Professional Representatives before the European Patent Office)

GRUR (German Association for the Protection of Intellectual Property)

VPP (Association of Intellectual Property Experts)

FICPI (International Federation of Intellectual Property Attorneys)

Gesellschaft deutscher Chemiker e. V. (Society of German chemists, GDCh)





English (fluent)


E-mail: (PGP-Key on request)