BD
Bureau Duthoit Legros Associés
Lille, France
Bureau Duthoit Legros Associés is a patent firm in Lille, France, Top Rated for european patent work on the cumulative record, one of 1,158 firms filing in France, strongest in Metalwork, acting for Fives DMS, Fives FCB and Ciel et Terre International.
Next step: Counsel lookup·Commissioned analysis
Selected from 1,158 firms filing in France
For this firmGet embed code →
IPRATE.EUTop Rated
PATENTS · 2026
Confidence
Good Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Patents · European · Cumulative (20y)Rating
Good Confidence
Archetype
Full-Service Generalist
Distinct Clients
41
Success Rate
76.6%
Volume72
Success72
Speed76
Durability72
RenewalsN/A
Domestic89
Practice profile
Top classes
Metalwork(4%) · IPC B21B13/14
Top clients
- Fives DMS
- Fives FCB
- Ciel et Terre International
- Etablissements Mottez & Cie
- Advanced Electrical Tools