Our Team

Dr. rer. nat. Dipl.-Biol. Christian Keller

German Patent Attorney
European Patent Attorney
European Patent Litigator (UPC Representative)
European Trademark & Design Attorney
Representative Austrian Patent Office

  • Life Sciences (biotechnology, pharma, medicine)
  • Immunology, genetics, molecular biology
  • Medical Engineering
  • Process Technology
  • Environmental Technology & Energy

Formal Education and Training

Ph.D. in natural sciences; studies in molecular biology at the University of Constance, Germany and research at the University of Cambridge, UK; doctoral dissertation on initiation sites of DNA replication and binding sites of the “origin recognition complex” in the human genome.

Legal training at the patent law firms of Kraus & Weisert and Dr. Volker Vossius in Munich. Courses in law for patent attorneys at the University of Hagen. Patent attorney training at the German Patent and Trademark Office and the Federal Patent Court


Professional Experience

Research in the laboratory of Prof. Ron Laskey at the Wellcome/CRC Institute (The Gurdon Institute), University of Cambridge, UK, and Prof. Rolf Knippers, Department for Molecular Genetics, University of Constance, Germany on human DNA replication, the assembly of nucleosomes and the regulation of chromatin assembly in a cell-free system developed from human somatic cells.

Lecturing in the fields of microbiology and chemistry at the academic teaching hospital of the University of Constance, Germany (until 2002)

Author of numerous scientific publications on human DNA replication and chromatin assembly, and patent law.

Patent attorney at the patent law firms Dr. Volker Vossius in Munich and Möll & Bitterich in Landau. Prosecution of technical property rights in application, opposition, appeal, and nullity proceedings

Since 2006 - patent attorney in Landau

Since 2009 - partner in the firm

You can read and download legal articles by Dr. Christian Keller on industrial property rights in the fields of Life Sciences, biotechnology, and pharmacology as well as his scientific publications here.

  • Patentanwaltskammer (German Patent Bar Association)
  • European Patent Institute of Professional Representatives at the European Patent Office (EPI)
  • Fédération Internationale des Conseils en Propriété Industrielle / International Federation of Patent Attorneys (FICPI)
  • Bundesverband deutscher Patentanwälte (Federal Association of German Patent Attorneys)
  • Licensing Executives Society (LES)
  • Science4Life e.V., Gründerinitiative Life Sciences, Chemie & Energie (start-up support for companies in Life Sciences, Chemistry and Energy)
  • Federal association of small and medium-sized enterprises (BVMW)

  • Expert and Couch at Science4Life for intellectual property in Life Sciences, Chemistry and Energy.
  • Evaluation of innventive business ideas and business plans for start-up companies.
  • Science4Life Coach and Expert since 2008 - today

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Dipl.-Phys. Astrid Schwertfeger

German Patent Attorney
European Patent Attorney
European Patent Litigator (UPC Representative)
European Trademark & Design Attorney

  • Mechanical Engineering
  • Measurement Technology
  • Physics
  • Electrical Engineering
  • Materials Science

Formal Education and Training

M.A. in physics, University of Würzburg, Germany, and Maitrise de Physique (master’s degree in physics), University of Grenoble, France.

Legal training at the patent law firms of Weickmann & Weickmann and Manitz, Finsterwald & Partner in Munich. Courses in law for patent attorneys at the University of Hagen. Patent attorney training at the German Patent and Trademark Office and the Federal Patent Court


Professional Experience

Laboratory manager at Hoechst Diafoil GmbH, specializing there in the development of processes for the production of plastic films 

Laboratory manager and applications engineer at Klöckner Pentaplast GmbH, specializing there in the development of plastic films and providing technical support to customers worldwide

Patent attorney at Eisenführ, Speiser & Partner in Hamburg; Prosecution of technical property rights in application, opposition, appeal, and nullity proceedings in mechanical engineering, measurement technology, physics, electrical engineering, material sciences

Since 2010 - patent attorney in Landau

Since 2011 - partner in the firm

  • Patentanwaltskammer (German Patent Bar Association)
  • European Patent Institute of Professional Representatives at the European Patent Office (EPI)
  • Fédération Internationale des Conseils en Propriété Industrielle / International Federation of Patent Attorneys (FICPI)
  • Deutsche Vereinigung für gewerblichen Rechtsschutz und Urheberrecht (GRUR) (German Association for the Protection of Intellectual Property)
  • Bundesverband deutscher Patentanwälte (Federal Association of German Patent Attorneys)
  • Vereinigung von Fachleuten des gewerblichen Rechtsschutzes (VPP) (Association of Intellectual Property Experts)
  • Federal association of small and medium-sized enterprises (BVMW)

IAM Global Leaders 300

IAM Strategy 300 Global Leaders is an annual publication by Intellectual Asset Management (IAM) that recognizes leading intellectual property (IP) strategists worldwide.

We are proud to announce that Astrid Schwertfeger has been recognized as one of the World's Leading IP Strategists 2025.

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Nicole Cubasch

General Office

Regina Arbogast

Mailroom

Sabine Fast

National and International Patents

Sandra Bertich, B.A.

Patents, certified translator and interpreter, Certified European Patent Administrator (EPAC)

Martina Laux

Trademarks

Annette Götz

Trademarks & Designs

Maria Blum

Renewal Fees

Iryna Osypenko, B.A.

Deadline Control

Nina Herter

Trainee Paralegal

Annette Wahl

Accounting