Dr. rer. nat.
Johannes Heidemann
Patent Attorney
European Patent Attorney
European Trade Mark and Design Attorney
Representative before the UPC
Dr. rer. nat.
Patent Attorney
European Patent Attorney
European Trade Mark and Design Attorney
Representative before the UPC
Dr. rer. nat.
Patent Attorney
European Patent Attorney
European Trade Mark and Design Attorney
Representative before the UPC
Johannes Heidemann particularly deals with the preparation and prosecution of German, European and international patent applications as well as opposition and nullity proceedings.
He advises major international corporations, medium-sized companies, academic research institutions and start-ups on their specific concerns. The technical focus of his work is in the fields of life sciences, chemistry and pharmaceuticals. In addition, Johannes Heidemann has experience in advising on issues relating to employee invention law.
He speaks German, English and French (basic knowledge).
B.Sc. and M.Sc. degrees in Molecular Life Science from the University of Lübeck, Germany. Studied abroad at the University of Toronto, Canada. Research associate at the Technical University of Hamburg (focus: bioprocess engineering) and at the Leibniz Institute for Virology in Hamburg (focus: native mass spectrometry); doctorate (Dr. rer. nat) from the University of Hamburg (chemistry). Legal training at a leading law firm in Hamburg, the University of Hagen, the Hamburg Regional Court, the German Patent and Trademark Office and the Federal Patent Court. Patent attorney since 2022. With Eisenführ Speiser since 2025.
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