Lionel Vial

Ph.D., Dipl. CEIPI

Lionel Vial’s practice involves patent prosecution and litigation in the fields of life sciences, pharmaceuticals, and chemistry. Lionel Vial holds a Ph. D. in Biochemistry and Molecular Biology and entered the patent profession in 2002.

He practiced in several IP law firms before joining the Paris office of BARDEHLE PAGENBERG in 2021.

French and European Patent Attorney, Partner

Location: Paris

Languages: English, French

+331 53 05 15 00


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Legal Notices

Understanding our clients’ needs to help them achieve their goals.


"L'actualité du contentieux brevet en France en quelques chiffres" (2017) Propriété Industrielle

"Storm clouds hang over Swiss-type claims" (2008) World Intellectual Property Review

"A difficult birth" (2008) Managing Intellectual Property

"A brief history of Swiss-type claims”" (2008) Managing Intellectual Property

"Aminoacyl-Transfer RNA maturation" (2003) Translation Mechanisms – Landes Bioscience

"Mitochondrial methionyl-tRNAfMet formyltransferase from Saccharomyces cerevisiae: gene disruption and tRNA substrate specificity" (2003) Biochemistry 42:932-9

"Recognition of tRNAs by Methionyl-tRNA transformylase from mammalian mitochondria" (2001) The Journal of Biological Chemistry 276:20064-8

Lectures & Seminars

Lionel Vial has been a tutor for the epi-CEIPI basic European patent law training course since 2013.


Lionel Vial is a member of Association Internationale pour la Protection de la Propriété Intellectuelle (AIPPI), Association des Praticiens Européens des Brevets (APEB), International Federation of Intellectual Property (FICPI), Association des Amis du Centre d'Etudes Internationales de la Propriété Intellectuelle (AACEIPI), ENS Alumni, Institut Stanislas de Boufflers, Licensing Executive Society (LES), Compagnie Nationale des Conseils en Propriété Industrielle (CNCPI), European Patent Institute (epi), and Société Française de Biochimie et Biologie Moléculaire (SFBBM).

2021 - today

French and European Patent Attorney at BARDEHLE PAGENBERG - Paris, France


Patent litigation in Europe diploma - University of Strasbourg, France

2014 - 2021

French and European Patent Attorney in a private practice as founding and managing partner - Paris-Saclay, France

2010 - 2014

French and European patent attorney in a private practice - Paris, France


Licensed to practice as a French Patent Attorney


Licensed to practice as a European Patent Attorney

2005 - 2010

French and European patent attorney in a private practice - Paris, France

2004 - 2005

CEIPI, patent option - University of Strasbourg, France

2002 - 2005

Patent Engineer in a private practice in Paris, France

1999 - 2001

Master in Business Administration - IAE Paris, France

1998 - 2002

Ph.D. in molecular biology and biochemistry - Ecole Polytechnique, France

1994 - 1998

MSc. Biochemistry - Ecole Normale Supérieure (ENS) Paris-Saclay, France