Frédérique Chaillou


Frédérique Chaillou
Paris Bar
French, English
Paris Tél : +33 (0)1 53 93 30 00

Frédérique Chaillou is a partner and has worked in the field of environment law for over twenty years.

Frédérique Chaillou advises major French and foreign industrial groups, real estate operators and professional bodies. She assists them in environmental law, both in terms of the regulatory aspects and in litigation before administrative, civil and criminal courts. She intervenes regularly on environmental issues in mergers and acquisitions and real estate transactions.

Frédérique has also developed special expertise in technological risks. She regularly participates in seminars and working groups on this subject, often in relation with France Chimie.

She is a member of the Experts working group on Polluted Sites, under the auspices of the Higher Council for the Prevention of Technological Risks (CSPRT).


  • Best Lawyers in France:
    – individually ranked in Environmental Law
    – Lawyer of the year (2023)
  • Chambers Europe (France):
    – individually ranked (Band 2) in Environment
    – Environment (Band 1)
  • Legal 500 EMEA (France):
    – individually ranked (Leading Individual) in Environment
    – Environment (Tier 1)
  • Le Point:
    – Environment (5 stars)
    – Real Estate (5 stars)
  • Décideurs:
    – Waste management law (Leading)
    – Environmental litigation (Leading)
    – Classified installations for environmental protection, polluted sites and soil, industrial wastelands (Leading)
    – Water and sanitation law (Excellent)
    – Environmental criminal law