Article R323-5 of the French Intellectual Property Code
The designation provided for in the second paragraph of I of Article L. 132-20-1, in the second paragraph of I of Article L. 132-20-3, in the third paragraph of I of Article L. 132-20-4, in the second paragraph of I of Article L. 217-2, the second paragraph of I of article L. 217-4 and the third paragraph of II of article L. 217-5 shall be made by registered letter with…