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Jean Castelain

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Jean Castelain is a past Leader of the Paris Bar and Vice-President of the National Bar Council (2010-2011).

He specialises in litigation and arbitration proceedings. He offers his services to both French and international firms. His expertise is provided to clients from various economic and financial sectors (distributors, insurance companies, television, etc.), notably in arbitration and litigation. He is regularly appointed as chairman or a member of arbitration tribunals, and has also been appointed as a mediator.

He is a leading adviser in the sectors of intellectual property, copyright and media, and frequently counsels major clients in the publishing and media industries.


Jean Castelain has been a member of the Paris Bar since 1978. He created the firm Castelain & Associés which merged with Granrut in 1997. He was the managing director of the firm until 2008, and he is currently the senior partner of the Media – Intellectual Property – Copyright department. Former Secretary of the Paris Bar Debating Society (1984), he was a member of the "Conseil de l’Ordre des Avocats" at the Paris Bar from 1992 to 1994, and a member of the "Conseil National des Barreaux" from 2000 to 2002. He was elected "Bâtonnier de l’Ordre des Avocats" (Leader) of the Paris Bar (2010-2011). He is a knight of the "National Order of the Legion of Honour" and a knight of the "National Order of Merit".


Jean Castelain has a PhD in Law (1981).


Jean Castelain is regularly mentioned as one of the best lawyers in the Media - Copyrights - Intellectual Property area.

The Legal 500 has regularly distinguished Jean Castelain in its various guides, in the US, EMEA and Paris editions. In 2018, he was admitted to the Legal 500 Hall of Fame for his expertise in media and entertainment.

Granrut Avocats - Jean Castelain


Assistant : Judith Coffani

Phone: : +33 1 53 43 15 15

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