Trainee Patent Attorney

B. Sc, M. Sc. Photonics

Alexandre Liashenko has been a patent engineer since 2021 and is currently training to become a French Patent Attorney and European Patent Attorney. At SONNENBERG HARRISON he brings his extensive expertise in the fields of telecommunications, photonics, computer engineering, semiconductors, biophysics and artificial intelligence.



Alexandre Liashenko’s practice focuses on the drafting of patents, the monitoring of patent grant procedures, European, French and international patent application proceedings.

Alexandre Liashenko speaks English, French, Spanish, Ukrainian and Russian.


  • Since 2022

    Patent Professional at Sonnenberg Harrison

  • 2021

    6 months internship as a Patent Engineer at the Groupe SEB

  • 2020

    Master’s thesis at the GAP Biophotonics laboratory at the University of Geneva devoted to the illumination of cancer cells by nonlinear nanoparticles.

  • 2018-2020

    Double Master’s degree in Photonics at the Aix-Marseille University and University Polytechnic of Barcelona.

  • 2017

    Participation in the Erasmus Internship Program in Artificial Intelligence with a 6-month stay abroad in Nancy, France.

  • 2016-2017

    Telecom Support Engineer at Ukrainian banking processing centre.

  • 2012-2016

    Studied Telecommunications and Information Technology at the University Polytechnic of Kyiv.