Our Lawyers


Founder Partner

Pierre-Lucas Thirion started his legal career as an associate in 2003 in the intellectual property/IT department of the US law firm JONES DAY in Paris.

In 2005, he joined the Brittany based international group ROULLIER’s legal department as an in-house lawyer in charge of international matters. This group is implanted in various countries and is specialized in chemistry and agribusiness. His practice within the group’s holding company allowed Pierre-Lucas to develop a solid expertise in international contracts and in competition law.

In December 2009, he joined, as a senior associate lawyer, the firm FIDAL’s distribution - competition - intellectual property department in Le Mans.

In October 2013, he is the cofounder, together with Gaëlle Leroy and Marie-Liesse Emo-Brioist, of the law firm LEXT.

Pierre-Lucas intervenes for commercial and industrial companies located in France and abroad, in various fields (agricultural supplies, wines, chemical industry, automatism, automotive industry, personal services, construction, raw material trading, software, NICT (New Information and Communication Technologies), e-commerce, telemedicine) both in local and international markets.

Areas of practice

  • Distribution
  • Competition
  • Contracts
  • Consumer law
  • Product regulations
  • International commerce
  • Settlement of litigation
  • Intellectual property
  • Financial and banking law


  • Law school for the Paris Bar
  • DEA (Diploma of Advanced Studies) in English and North-American business law, Paris I
  • BA Law, Napier University, Edinburgh
  • Masters in business law - University of Paris XI


  • Recommended in the 2019 to 2023 editions of Legal 500 France for EU, Competition and Distribution and Intellectual Property (Trade marks and designs).
  • Business Law Firm Awards Edition 2017 ("Palmarès des Avocats") : "Rising star of the year" and Bronze Award in Intellectual Property.

View clients testimonials

Other activities

  • Member of the Sarthe International association
  • Law lecturer in contract law at the University of Angers


22 rue de l'Alma 35000 Rennes
+33 1 83 75 80 00
+33 2 99 63 01 63

Spoken Languages

  • French, 
  • English

Réseau social

Our Offices

Le Mans office
2 rue des Gladiateurs - 72000 Le Mans - France
LEXT AVOCATS A.A.R.P.I., registered with the Le Mans Bar.

Paris office
67-69 avenue Victor Hugo - 75116 Paris - France
LEXT A.A.R.P..I., registered with the Paris Bar.

Rennes office
22 rue de l'Alma - 35000 Rennes - France
LEXT ASSOCIES, registered with the Rennes Bar.

Vannes secondary office
PIBS - Place Albert Einstein - 56000 Vannes - France
LEXT ASSOCIES, registered with the Vannes Bar.

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