I.-A French patent application or a French patent and a European patent application or a European patent which has not been the subject of a waiver of the exclusive jurisdiction of the unified patent jurisdiction, pursuant to paragraph 3 of Article 83 of the Agreement relating to a unified patent jurisdiction, having the same filing date or the same priority date, covering the same invention and belonging to the same inventor or to his successor in title, may not, in respect of the common parts, be transferred, pledged, hypothecated or granted exploitation rights independently of one another, on pain of invalidity.
As an exception to Article L. 613-9, the transfer or amendment of the rights attached to the French patent application or to the French patent may be relied on as against third parties by its entry in the national patent register only insofar as the same transfer or amendment of the rights attached to the European patent application or to the European patent which has not been the subject of a derogation from the exclusive jurisdiction of the Unified Patent Court, pursuant to paragraph 3 of Article 83 of the aforementioned Agreement, has been entered in the European patent register.
The French patent application or the French patent and the right of priority for the filing of a European patent application may not be transferred independently of each other.
II.The provisions of I shall apply to a European patent application or to a European patent which has been the subject of a waiver of the exclusive jurisdiction of the Unified Patent Court, pursuant to paragraph 3 of Article 83 of the aforementioned Agreement, as long as the French patent application or the French patent has not ceased to have effect pursuant to I of Article L. 614-13.