HD
Herman de Groot, Johan Willem
Velsen-Noord, Netherlands
Herman de Groot, Johan Willem is a patent firm in Velsen-Noord, Netherlands, Rated for european patent work on the cumulative record, one of 485 firms filing in Netherlands, strongest in Processes, Construction and Building, acting for Corus UK Limited, Tata Steel IJmuiden B.V. and Corus Staal BV.
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IPRATE.EURated
PATENTS · 2026
Confidence
Moderate Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Patents · European · Cumulative (20y)Rating
Moderate Confidence
Archetype
Specialized Boutique
Distinct Clients
5
Success Rate
30.0%
Volume36
Success49
Speed48
Durability50
RenewalsN/A
Domestic36
Practice profile
Top classes
Processes(10%) · IPC B01L3/00Construction(10%) · IPC E01F15/04Building(10%) · IPC E04B5/14
Top clients
- Corus UK Limited
- Tata Steel IJmuiden B.V.
- Corus Staal BV
- Tata Steel UK Limited
- Corus UK LTD.