Michel MONCHENY joined LAVOIX in 1965.

Practice areas

Patent prosecution

Patent litigation

Unfair competition



Due diligence

Electronics, Electricity, Physics, Mechanics

Technology Areas

Mechanical and electrical fields in general Physics, with special expertise in the automotive and steel industries as well as in chemical engineering

Professional Admissions

French Industrial Property Attorney

European Patent Attorney


  • Graduate from the Center for International Intellectual Property Studies (CEIPI), 1972
  • Engineer, Ecole Centrale de Paris, 1963

Professional Experience

During his time with the firm, he has specialized in patent consulting and litigation and handled many patent infringement cases in tandem with the best attorneys-at-law in France but also in a number of European countries.


He is fluent in English and German. He developed the concept of IP Due diligence in France in order to assist companies and more particularly SMEs in defining and implementing customized IP policies. Michel MONCHENY has been a member of a number of national or international organizations: ACPI; AIPPI; FICPI; LES France and LES International and served as a representative on some of them. He is a past president of the French Patent Attorney bar association (CNCPI).

  • Palmarès du Droit
  • Le Point et Statista
  • Managing IP
  • Managing IP
  • WTR 1000
  • Décideurs
  • Legal 500
  • IAM Patent 1000
Logo ISO UKASCertification ISO 9001:2015 applicable to all the IP attorney activities and for all its offices.