JL
Jean L'Helgoualch
France
Jean L'Helgoualch 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 Engineering and Medical, acting for JX Nippon Mining & Metals Corporation, SOCIETE DE RECHERCHE COSMETIQUE SARL and THIFAN INDUSTRIE.
Rated in a market of 1,159 firms filing in France
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IPRATE.EURated
PATENTS · 2026
PATENTS · 2026Confidence
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
40
Success Rate
61.1%
Volume63
Success52
Speed49
Durability65
RenewalsN/A
Domestic21
Practice profile
Top classes
Engineering(6%) · IPC F42B12/34Medical(6%) · IPC A61K8/97
Top clients
- JX Nippon Mining & Metals Corporation
- SOCIETE DE RECHERCHE COSMETIQUE SARL
- THIFAN INDUSTRIE
- Laboratoire Nuxe