Our team

Guillaume de LA BIGNE



Experts in Europe Partner


Patent Partner, Co-founder of LLR


Thonon (LLR - Innovincia), Paris, Lyon


French, English, Spanish

  • Entered the profession in 1990
  • Engineer of the National School of Electricity and Mechanics Nancy (ENSEM); Mechanical control; DEA in Industrial Systems Engineering
  • Graduate of the Center for International Intellectual Property Studies (CEIPI) in invention patents, trademarks, drawings and models
  • French Patent, Trademark and Design Attorney
  • European Patent Attorney
  • European Trademark and Design Attorney
  • European Patent Litigator before the Unified Patent Court (UPC)
  • MSc Intellectual Property Law (Strasbourg University)
  • Lecturer at the epi/CEIPI
  • Mediator Certification


Guillaume de LA BIGNE is co-founder of the firm LLR. After having been Chief of the watch in the Navy, he worked for the firm General des Eaux (Veolia) in Méry-sur-Oise water treatment plant. In 1990, he joined one of the most important French industrial property firms.

Since 2000, he is managing partner of LLR. He advises a wide range of companies and public research organizations on the various aspects of their innovations. He also works with collective bodies such as chambers of commerce to raise awareness in industrial SMEs in industrial property protection strategies. He monitors procedures to obtain patents in France and abroad (drafting of patent applications, review procedures) for large companies, SMEs and public research organizations. He assists them in identifying the inventions to need to be protected and advises them on freedom of operation with respect to rights held by third parties. He also drafts contracts relating to industrial property.

He is very much involved in the development of LLR's expertise in litigation and has led many saisies-contrefaçon in various areas. He advises a large tyre manufacturer, automotive OEMs, manufacturers of medical devices and packaging manufacturers.

Born in Spain, he can follow procedures, discussions and disputes in Spanish, as easily as in French or English.

He participated in establishing LLR China in Beijing and continues to support its development in defence of the interests of French and European companies in China.

He remains involved in the training of new generations of professionals. So, he intervenes at the Institut National de la Propriété Industrielle and at the École des Hautes Études Appliquées du Droit.

Guillaume de La Bigne is a member of LLR's Executive Committee. Guillaume de La Bigne is also a mediator specialized in industrial property registered on the list maintained by the International Arbitration Chamber of Paris. He organized with Ifomène a mediation training programme for industrial property attorneys.


2022 :

  • Speaker at the 95th IFOMÈNE Mediation and Negotiation Café on the theme « Expertise & Médiation : le médiateur peut/doit-il être expert du domaine ? L’expert peut-il être médiateur ? » ("Expertise & Mediation: can/must the mediator be an expert in the field? Can the expert be a mediator") (7 July)

2020 :

  • Webinar on « Règlement des différends dans les contrats de propriété intellectuelle et de transfert de technologie liés à la Chine : arbitrage, médiation et litige » ("Dispute resolution in China-related intellectual property and technology transfer contracts: arbitration, mediation and litigation") by CCI FRANCE CHINE. Speaker on « La médiation comme méthode de règlement des litiges dans les affaires de propriété intellectuelle : expérience française » ("Mediation as a method of dispute resolution in intellectual property cases: the French experience") (10 June)

2019 :

  • " Game All Over #4 " exhibition. Speaker at the talk « Utilisation du jeu dans le processus de recrutement » ("Using games in the recruitment process") (13 June)
  • C.U.R.I.E. Congress. Speaker at the workshop « Médiation et Propriété Industrielle » ("Mediation and Industrial Property") (4 June)

2018 :

  • Project Commission « Innovation & Industrie du Futur » ("Innovation & Industry of the Future") of the FRANCE CHINA COMMITTEE. Speaker on « La qualité et sécurité des produits en Chine » ("Product quality and safety in China") (5 July)
  • Morning session « Innovation & Médiation : un duo d’avenir » ("Innovation & Mediation: a duo for the future") of ACPI and CAIP. Moderator of the round table « Décryptage d’une médiation » ("Decoding a mediation") (19 June)

2017 :

  • 17th FICPI Open Forum in Venice. Moderator of the session "Finding the Right People: How to find and get the people you need" (26 October)
  • Colloquium « L’Activité Inventive » ("Inventive Activity") of the AAPI. Speaker on « Le débat sur l’activité inventive devant la JUB » ("The debate on inventive activity before the JUB") (15 June)

2016 :

  • Impact Tour of BUSINESS FRANCE. Speaker at the boot camp « Stratégie de protection de la propriété intellectuelle en Chine » ("Intellectual property protection strategy in China") (14 November)
  • 16th FICPI Open Forum in St. Petersburg. Speaker at the session "Quality Control - Using Quality Assurance Methods to Bring your Firm to the Next Level" (6 October)
  • UJUB Opt Out Day. Participant in the white trial before the JUB (6 June)

2011 :

  • Innovation Forum of the Eure-et-Loir Chamber of Commerce. Leader of a workshop on the theme « Protéger une innovation : marque, brevet ou modèle ? » ("Protecting an innovation: trademark, patent or model?")

2010 :

  • Innovation Forum of the Eure-et-Loir CCI. Participant in the round table « Les points-clés pour réussir un projet innovant » ("The key points for a successful innovative project.")
  • LLR breakfast debate « Les atouts des droits de propriété industrielle américain, chinois et européens » ("The advantages of American, Chinese and European industrial property rights")

2009 :

  • Forum Innover en Eure-et-Loir. Participant in the round table « Propriété industrielle : Que protéger, à quel stade, comment ? » ("Industrial property: What to protect, at what stage, how?)

Teaching activities

  • Teacher at the "Médiation & PI" ("Mediation & IP") course of the module "Propriété industrielle à l’ère du numérique : Brevets, licences et construction d’un portefeuille PI" ("Industrial Property in the Digital Age: Patents, Licences and Construction of an IP Portfolio") at the ÉCOLE DES HAUTES ÉTUDES APPLIQUÉES DU DROIT (23 March 2022)

Professional Organisations

  • Association des Conseils en Propriété Industrielle (ACPI)
  • International Association for the Protection of Intellectual Property (AIPPI)
  • Association des Praticiens Européens des Brevets (APEB)
  • Inter-American Association of Intellectual Property (ASIPI)
  • Réseau C.U.R.I.E. (Coopération des Services Universitaires de Relations Industrielles et Économiques)
  • European Patent Litigators Association (EPLIT)
  • International Federation of Intellectual Property Attorneys (FICPI)
  • Union pour la Juridiction Unifiée du Brevet (UJUB - Union for the Unified Patent Court)

Complementary Activities

  • 2023 : Scientific co-director and co-author of the book " La médiation au service de la propriété intellectuelle - Un mode alternatif de règlement des différends (MARD) pour les acteurs de l'innovation " (Collection du CEIPI - Les monographies)
  • 2012: The Handbook of European Intellectual Property Management: "How to limit a patent" (3rd edition)
  • 2009: Member of the Scientific Committee of the "Salon Européen de la Recherche & de l'Innovation" (SERI)