W&
Wenzel & Kalkoff
Dortmund, Germany
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IPRATE.EULeading
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
70
Success Rate
50.0%
Volume78
Success88
Speed82
Durability47
RenewalsN/A
Domestic72
Practice profile
Top classes
Vehicles(3%) · IPC B60R21/13Necessities(1%) · IPC A24B3/04Telecom(1%) · IPC H04B7/005
Top clients
- NEC Corporation
- Hauni Maschinenbau AG
- ISE Automotive GmbH
- Hauni Primary GmbH
- Komori Corporation