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Isabelle THILL


French Trademark Attorney

European Trademark and Design Attorney

Trademarks & Designs Department
Tel: +33 1 44 29 35 00


French Trademark Attorney

European Trademark and Design Attorney


Master of Business Law (Université Paris II Assas)
MA in Industrial Property (Université Paris II Assas)
Bar Practising Certificate (CAPA)


Isabelle THILL started her Industrial Property career in 1993.

After an initial experience spanning several years in a Law Practice in Hong Kong, Isabelle joined REGIMBEAU in 1997 and became partner in 2013.

Isabelle manages Global Portfolios and is an expert in the establishment and defence of trademarks and domain names in the pharmaceutical, sports and entertainment fields

Fields of Expertise

As a specialized Industrial Property Attorney, Isabelle THILL’s principal activities at REGIMBEAU are:
  • Trademark issues (availability searches, oppositions in France and abroad, assignment of rights negotiations, negotiation and drafting coexistence agreements, amicable claims, assistance to Lawyers during trials, negotiation and drafting of settlement protocols, preparation and monitoring of filings and the supervision of registration procedures both in France and abroad)
  • Negotiation and drafting of contracts relating to Intellectual Property 
  • Unfair and prejudicial competition laws
  • Domain Names issues (reservation, transfer, amicable settlements, litigation)
  • Copyright and Design rights issues

Specific areas of expertise

Health (including the specificities related to pharmaceutical trademarks)
Sports and Entertainment

Teaching / Representative positions

  • Lecturer at the INPI
  • Speaker at the Faculté de Pharmacie de Montpellier and the Ecole Nationale des Ponts et Chaussées.
  • Member of the Trademarks and Regulated Sectors Commission at the APRAM
  • Member of ECTA

Recent contributions and participations


INTA Annual conference 2022

Participation of Isabelle THILL and Julie BRUN at INTA Annual conference in Washington. Participation of Evelyne ROUX and Jérôme COLLIN at the INTA Virtual Meeting.
30th April 2022

INTA Annual conference 2021

Participation of Isabelle THILL, Esther DUPAIN and Sylvain THIVILLIER at INTA Annual conference in Berlin on November 17 and at the INTA Virtual Meeting, from November 15 to 19.
17th Nov 2021

PACTE Act & New IP protection strategies

REGIMBEAU organizes a breakfast conference on the theme is "PACTE Act & New IP protection strategies - New types of trademarks, Opposition procedure & new procedures in nullity and forfeiture. " Intervention of Evelyne ROUX and Isabelle THILL, Partners.
6th Feb 2020

Congrès PTMG

Participation of Isabelle THILL at the PTMG congress (Pharmaceutical Trademarks Group)
2nd Oct 2019

Regimbeau IP ACADEMY 2019

REGIMBEAU is organising a 5-day training seminar on "European Patents and Designs: The Essentials" for clients and foreign colleagues wishing to acquire a working knowledge of the specificities of patent and design procedures in Europe.
Contributions by Jérôme COLLIN, Sylvain THIVILLIER, Evelyne ROUX, Martine BLOCH-WEILL, Isabelle THILL, Nicolas BOUQUIN, Henri BOURGEOIS, Frédérique DURIEUX, Philippe BESSIERE, Armelle LEONARD, Gabrielle FAURE-ANDRE, Yves DE SAINT-PERN, Caroline HUGUET-BRAUN, Matthieu OBJOIS, Cécile PUECH, Anne SEIBEL, Guillaume SCHWAB.
20th Jun 2019






Domain Name


Due Diligence - Strategy

IP Prosecution


Portfolio management


Pharmaceutical Trademark Law

Press release


The 2018 edition of the seminar on "European Patents and Designs: The Essentials" took place in our Paris Office from 5 to 11 April 2018.
This seminar brought together participants from eight different countries, wishing to acquire a practical understanding of the European system of patents and designs.
This year again the seminar was a great success. Here is what the participants said about it this year:
“All of the speakers are very professional."
“It was obvious that the speakers were very knowledgeable in their respective fields.”
“Practical, just good all round!”
Published on: 5th April 2018
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