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Article L613-15 of the French Intellectual Property Code

The proprietor of a patent infringing an earlier patent may not work his patent without the authorisation of the proprietor of the earlier patent; the said proprietor may not work the later patent without the authorisation of the proprietor of the later patent.

Where the owner of a patent cannot exploit it without infringing an earlier patent owned by a third party, the court may grant him a licence to exploit the earlier patent to the extent necessary for the exploitation of the patent owned by him and provided that such invention constitutes, in relation to the earlier patent, a significant technical advance and is of considerable economic interest.

The licence granted to the owner of the later patent may only be transferred together with the said patent.

The proprietor of the earlier patent shall, on application to the court, be granted a cross-licence to the later patent.

The provisions of articles L. 613-12 to L. 613-14 are applicable.

Original in French 🇫🇷
Article L613-15

Le titulaire d’un brevet portant atteinte à un brevet antérieur ne peut exploiter son brevet sans l’autorisation du titulaire du brevet antérieur ; ledit titulaire ne peut exploiter le brevet postérieur sans l’autorisation du titulaire du brevet postérieur.

Lorsque le titulaire d’un brevet ne peut l’exploiter sans porter atteinte à un brevet antérieur dont un tiers est titulaire, le tribunal judiciaire peut lui accorder une licence d’exploitation du brevet antérieur dans la mesure nécessaire à l’exploitation du brevet dont il est titulaire et pour autant que cette invention constitue à l’égard du brevet antérieur un progrès technique important et présente un intérêt économique considérable.

La licence accordée au titulaire du brevet postérieur ne peut être transmise qu’avec ledit brevet.

Le titulaire du brevet antérieur obtient, sur demande présentée au tribunal, la concession d’une licence réciproque sur le brevet postérieur.

Les dispositions des articles L. 613-12 à L. 613-14 sont applicables.

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