Field of activity: Service company


Guillaume HENRY is a partner of the law firm SZLEPER HENRY AVOCATS, specialized in intellectual property law.

Fields of practice:

  • patents,
  • trademark and design
  • unfair competition,
  • new technologies (software, applications, RGPD, domain names, etc.).

Services :

  • consulting (consultations, audits, protection strategy)
  • management of brand portfolios in France and around the world
  • litigation

Clients: from small and medium sized companies to international groups

Assets :

  • reasonable fees
  • reactivity
  • global network

Guillaume HENRY is one of the most active lawyers in the field of industrial property applied to green technologies.


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Guillaume HENRY is the author of several books on industrial property applied to green technologies:
” Technologies vertes et propriété industrielle : brevets, marques, écolabels “, 2013, with the support of ADEME.
“Sustainable development and intellectual property: access to technologies in developing countries”, 2015, INPI (Institut National pour la Propriété Industrielle).


Me HENRY has a network of colleagues specialized in industrial property all over the world.
Mr HENRY chairs the ‘GreenTech and Intellectual Property’ commission of the AIPPI (Association for the Protection of Intellectual Property).
Mr HENRY participated in COP 21, COP 22 and COP 23.


23, Avenue Bosquet
75007 - Paris - France Phone: +33 (0)1 56 88 28 28

Intervention domains

Air quality and odours control - Biodiversity and landscape - Energy efficiency - Environmental development - Noise and vibration - Renewables energies - Risk - Soils remediation - Sustainable urban planning - Waste management - Water infrastructure

Certifications, labels or price

Guillaume HENRY’s study on intellectual property rights and green technologies received in 2010 the first international prize of the AIPPI (Association for the Protection of Intellectual Property).

Guillaume HENRY is president of the Association pour l’Analyse Ecologique du Droit (AED).

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23, Avenue Bosquet
75007 - Paris - France