Industrial property titles protecting inventions are:
1° Patents for invention, granted for a term of twenty years from the date of filing of the application;
2° Utility certificates, granted for a term of ten years from the date of filing of the application;
3° Supplementary protection certificates attached to a patent under the conditions provided for in Article L. 611-3, taking effect at the legal term of the patent to which they relate for a period which may not exceed seven years from that term and seventeen years from the grant of the marketing authorisation referred to in that same Article.
The provisions of this Book concerning patents shall apply to utility certificates with the exception of those provided for in Article L. 612-14, the first paragraph of Articles L. 612-15 and L. 612-17 and articles L. 613-23 to L. 613-23-6. They are also applied to supplementary protection certificates with the exception of those provided for in articles L. 611-12, L. 612-1 to L. 612-10, L. 612-12 to L. 612-15, L. 612-17, L. 612-20, L. 613-1, L. 613-23 to L. 613-23-6 and L. 613-25.