CD
Christian Diernaz
France
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Rated in a market of 1,234 firms filing in France
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IPRATE.EULeading
PATENTS · 2026
Confidence
High Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Patents · European · Cumulative (20y)Rating
High Confidence
Archetype
Specialized Boutique
Distinct Clients
4
Success Rate
100.0%
Volume73
Success88
Speed61
Durability81
RenewalsN/A
Domestic17
Practice profile
Top classes
Vehicles(19%) · IPC B60C11/12
Top clients
- MICHELIN Recherche et Technique S.A.
- Compagnie Générale des Etablissements Michelin
- Société de Technologie Michelin
- The Goodyear Tire & Rubber Company