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Stéphanie CELAIRE


French Patent Attorney

European Patent Attorney

Life Sciences & Chemistry Department
Tel: +33 1 44 29 35 00


French Patent Attorney

European Patent Attorney


Master’s in Engineering (Institut National Agronomique Paris-Grignon)
MS in Biochemistry (Institut Gustave Roussy, Paris X- I.N.A P-G)
CEIPI Graduate (Distinction in Patents)
Master of Business Law (Paris I)


After three years of academic research in France (Post-Doc at the IGR) and six years’ experience and a patent engineer in an IP Law firm, Stéphanie CELAIRE joined REGIMBEAU in 2008 and became Partner in 2014.
Stephanie has a vast experience in European oral proceedings and infringement litigation in France, especially in the pharmaceutical and agribusiness fields.

Technical and scientific fields

Pharmaceuticals, Formulations, Galenics, Cosmetology, Agribusiness and Agronomy, Biochemistry

Teaching / Representative positions

  • Lecturer at the ESIEE, specialising in Biology
  • Lecturer at AgroParis Tech  


  • Nominated as one of the world's leading patent practicioners by "Who's Who Legal: Patents" 2016
  • Distinguished in 2020 and 2021 in the "Recommended individuals" category by JUVE Patent (Field of expertise: Chemistry, Pharma and biotechnology)

Recent contributions and participations


PACTE Act & New IP protection strategies

REGIMBEAU organizes a breakfast conference on the theme "PACTE Act & New IP protection strategies - Utility certificate, provisional patent & procedure of opposition to French patents". Intervention of Stéphanie CELAIRE, Partner.
23th Jan 2020

FORMATION : The basics of patent procedures

Regimbeau organizes a training on the theme "The basics of patent procedures". Intervention of Stéphanie CELAIRE, Partner.
26th Jun 2018

IP Days 2017 P2i

Contribution by Stéphanie CELAIRE, partner, at the round table on unitary patent at the IP & Innovation Days organised by CCI Alsace and 3AF in collaboration with CCI France.
12th Oct 2017

France Biotech conference

Participation of Stéphanie CELAIRE at the France Biotech conference on innovation in agrobiotech
11th Sept 2017

Is 2016 the final stretch before the entry in force of the Unitary Patent and the Unified Patent Court?

REGIMBEAU is organising a conference on "Is 2016 the final stretch before the entry in force of the Unitary Patent and the Unified Patent Court ". Contributions from BOUTARIC and Stéphanie CELAIRE, Partners and Sylvain THIVILLIER, European and French Patent Attorney.
9th Jun 2016

Rendez-vous Carnot

Particiâtion of Stéphanie CELAIRE, Partner and Jean-Charles NICOLLET at the Rendez-vous Carnot
18th Nov 2015


Participation of Stéphanie CELAIRE and Gabrielle FAURE-ANDRE to the IFSBM-IGR seminar on "The role of innovation in Cancer Therapeutics: Today and Tomorrow"
21th May 2013

Third Party Observations

REGIMBEAU is organising a breakfast seminar on "Third Party Observations: A weapon to integrate into your IP strategy?" Interventions by Francis AHNER and Stéphanie CELAIRE
26th March 2013




Plant Breeders’ Right



Due Diligence - Strategy

IP Prosecution


Portfolio management

Freedom to operate


Press release

JUVE Patent – 2021 Rankings

JUVE Patent, a recognized platform specialized in the European patent market, has published its annual rankings, identifying the best Patent law firms in Europe. REGIMBEAU is ranked in the “recommended patent firms” for the Patent filing category. Stéphanie CELAIRE and Emmanuelle LEVY have been named “Leading Individuals” in the “Patent attorneys with technical specialty” category for their technical specialty in "Chemistry, Pharma and biotechnology" and Jérôme COLLIN have been recommended in the field "Digital communication and computer technology, Medical technology".
Published on: 3rd March 2021