I.-Insofar as a French patent covers an invention for which a European patent has been granted to the same inventor or to his successor in title with the same filing or priority date, and where the European patent has been the subject of a derogation from the exclusive jurisdiction of the unified patent jurisdiction, pursuant to paragraph 3 of Article 83 of the Agreement relating to a unified patent jurisdiction, the French patent shall cease to have effect:
Either on the date on which the period laid down for filing an opposition to the European patent has expired without an opposition having been filed;
Or on the date on which the period laid down for filing an opposition to the European patent has expired without an opposition having been filed.
1° either on the date on which the period for filing opposition to the European patent expires without an opposition having been filed;
or
2° or the date on which the opposition proceedings are terminated and the European patent is maintained;
or
3° or the date on which the exemption is entered in the Register pursuant to paragraph 3 of Article 83 of the abovementioned Agreement, where this date is later than those mentioned in 1° and 2°.
However, where the French patent has been granted on a date subsequent to one of those set out in points 1 to 3, the patent shall have no effect.
The lapse or subsequent revocation of the European patent or the entry in the Register of the withdrawal of a derogation made pursuant to Article 83(4) of the Agreement relating to a Unified Patent Court shall not affect the termination of the effects of the French patent.
II.
II.-Where the European patent 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 agreement relating to a unified patent court, the French patent shall continue to produce its effects.