Guillaume KASSEM

Guillaume KASSEM

Guillaume KASSEM joined LAVOIX in 2012.

Practice areas

Patent prosecution

Patent litigation


Due diligence

Electronics, Electricity, Physics, Mechanics

Technology Areas


Electrical Engineering


Mechanical engineering

Professional Admissions

French Industrial Property Attorney

European Patent Attorney


  • Graduate from the Center for International Intellectual Property Studies (CEIPI), 2015
  • Engineer, Ecole Nationale Supérieure des Mines de Saint-Etienne, 2012

Professional Experience

His work includes drafting patent applications and their prosecution. Further, he establishes patentability, freedom-to-operate and validity opinions.

  • LAVOIX - WTR1000
  • LAVOIX - Legal500
  • LAVOIX - IPStars
  • LAVOIX - Patent1000
Certification ISO 9001:2008 applicable to all the IP attorney activities and for all its offices.