JF
Janssen, Francis-Paul
Maassluis, Netherlands
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IPRATE.EUElite
PATENTS · 2026
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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
Full-Service Generalist
Distinct Clients
9
Success Rate
64.8%
Volume83
Success87
Speed87
Durability83
RenewalsN/A
Domestic5
Practice profile
Top classes
Electrical(10%) · IPC H01J37/26
Top clients
- FEI Company
- BERKIN B.V.
- Phenom-World Holding B.V.
- FEI Electron Optics B.V.
- Thermo Fisher Scientific Messtechnik GmbH