DU
Dipl.-Ing. Univ. Stephan Kohlhof
Düsseldorf, Germany
Dipl.-Ing. Univ. Stephan Kohlhof is a trademark firm in Düsseldorf, Germany, Rated for EU trademark work on the cumulative record, one of 8,694 firms filing in Germany, strongest in Advertising, Tobacco and Education, acting for David Wared, dicodes GmbH and Interroll Holding AG.
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Selected from 8,694 firms filing in Germany
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IPRATE.EURated
TRADEMARKS · 2026
Confidence
High Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Trademarks · EU · Cumulative (20y)Rating
High Confidence
Distinct Clients
15
Success Rate
100.0%
Volume88
Success69
Speed73
Durability51
Renewals80
Domestic73
Practice profile
Top classes
Advertising(27%) · Nice 35Tobacco(15%) · Nice 34Education(15%) · Nice 41
Top clients
- David Wared
- dicodes GmbH
- Interroll Holding AG
- prosatz Communication GmbH & Co KG
- Cube Sports GmbH