CL
Catherine Lhoste
France
Catherine Lhoste is a patent attorney in France, Rated for european patent work on the cumulative record, rated in a market of 1,159 firms filing in France, strongest in Polymers and Petroleum, acting for Arkema France, Arkema Inc. and CECA S.A..
Rated in a market of 1,159 firms filing in France
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IPRATE.EURated
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
Diversified Portfolio
Distinct Clients
14
Success Rate
99.9%
Volume76
Success51
Speed27
Durability25
RenewalsN/A
Domestic25
Practice profile
Top classes
Polymers(3%) · IPC C08F293/00Petroleum(2%) · IPC C10G75/02
Top clients
- Arkema France
- Arkema Inc.
- CECA S.A.
- Centre National de la Recherche Scientifique
- ARKEMA B.V.