IH
ir. H.J. Koekoek
Amsterdam, Netherlands
ir. H.J. Koekoek is a patent firm in Amsterdam, Netherlands, Rated for national patent work on the emerging five-year record, one of 107 firms filing in Netherlands, strongest in Mining, Components and Engineering, acting for Tenaris Connections B.V., Metalmecanica S.A. and Hydril Company.
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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 · National · Emerging (5y)Rating
Moderate Confidence
Archetype
Specialized Boutique
Distinct Clients
3
Success Rate
100.0%
Volume37
Success53
Speed51
DurabilityN/A
RenewalsN/A
Domestic48
Practice profile
Top classes
Mining(29%) · IPC E21B 17/042Components(9%) · IPC F16L 57/00Engineering(9%) · IPC F17C 1/00
Top clients
- Tenaris Connections B.V.
- Metalmecanica S.A.
- Hydril Company