H&
Hemmerich & Kollegen
Siegen, Germany
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IPRATE.EUProven
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 · National · Cumulative (20y)Rating
High Confidence
Archetype
Full-Service Generalist
Distinct Clients
16
Success Rate
14.3%
Volume100
Success7
Speed69
Durability71
RenewalsN/A
Domestic99
Practice profile
Top classes
Operations(2%) · IPC B22D 11/06 (2006.01)Metalwork(2%) · IPC B21B 45/02 (2006.01)
Top clients
- SMS group GmbH
- SMS Siemag Aktiengesellschaft
- SMS Siemag AG
- Fontaine Engineering und Maschinen GmbH
- SMS Meer GmbH