After gaining initial experience at a research centre in Germany, Hélène CESSEY was drawn by the seductive appeal of the multidisciplinary aspect of the profession and joined LAVOIX in 2019.

Practice areas

Patent prosecution

Electronics, Electricity, Physics, Mechanics

Technology Areas



Industrial Equipment

Vehicle Spare Parts

Production Technology


  • Graduate from Arts et Métiers ParisTech, Metz, 2019
  • Master of Science from Karlsruher Instituts für Technologie, 2019

Professional Experience

Having graduated with double majors from the Arts et Métiers ParisTech de Metz (French engineering and research graduate school, Metz campus) and the Karlsuher l’Institut für Technologie Karlsuher Institute of Technology) in Karlsruhe, Hélène brings real expertise to LAVOIX clients, particularly in the drafting of new patent applications, as well as in developing the responses to notifications. By virtue of her professional training, Hélène CESSEY is also involved in the area of studies to analyse patentability, validity and freedom to operate, particularly in the field of mechanics.


Hélène CESSEY works in close collaboration with the partners at LAVOIX, mainly for large international groups in various industrial sectors.


  • LAVOIX - WTR1000
  • LAVOIX - Legal500
  • LAVOIX - IPStars
  • LAVOIX - Patent1000
  • LAVOIX- Leader League Décideurs
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