H&
HEMMERICH & KOLLEGEN
Siegen, Germany
HEMMERICH & KOLLEGEN is a patent firm in Siegen, Germany, Rated for european patent work on the cumulative record, one of 4,381 firms filing in Germany, strongest in Metalwork and Operations, acting for SMS group GmbH.
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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
Distinct Clients
1
Success Rate
76.3%
Volume63
Success60
Speed79
DurabilityN/A
RenewalsN/A
Domestic91
Practice profile
Top classes
Metalwork(3%) · IPC B21B38/00Operations(3%) · IPC B22D11/16
Top clients
- SMS group GmbH