Intellectual Property: Patents
France
8 years ranked
Provided by Clifford Chance Europe LLP
David is an experienced patent litigator, who concentrates primarily on complex and cross-border patent disputes, in particular in the technology sector.
David focuses primarily on patent cases, in which he also advises on validity and freedom to operate issues. David has notably represented leading actors in the patent wars of the telecommunications sector, as well as numerous pharmaceutical companies in proceedings against generics.
In addition, David has also a strong experience advising clients on trade secrets matters, defamation disputes and media litigation.
David has also become a specialist of the interplay between intellectual property and competition law, and is regularly invited to speak at industry conferences on this topic. As such, he recently drafted the French Chapter of The second edition of the Intellectual and Antitrust Review.
David publishes regularly in the field of patent law. He notably co-authored the training manual for future UPC judges.
David is a member of the directing committee of the Intellectual Property Lawyers Association and on the board of directors of the European Patent Practitioners’ Association.
Provided by Chambers
David Por acts regularly on behalf of technology, telecoms and pharmaceutical clients in patent infringement and FRAND disputes. He joined Clifford Chance in March 2025.
David Por intervient régulièrement pour le compte de clients des secteurs de la technologie, des télécommunications et de l’industrie pharmaceutique dans le cadre de litiges en matière de contrefaçon de brevets et de conditions FRAND.
Provided by Chambers
David Por is an excellent lawyer with a very technical and strong team behind him. He has a multinational background which is great and very useful for international contexts.
He is an excellent patent litigator and is definitely one of my go-to people.
C'est un excellent avocat spécialisé dans les litiges en matière de brevets et il fait assurément partie de mes personnes de référence.
David Por est un excellent avocat doté d’une équipe très technique et solide derrière lui. Il possède un parcours multinational qui est excellent et très utile dans des contextes internationaux.
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