DM
Dr. Malte Köllner
Frankfurt am Main, Germany
Dr. Malte Köllner is a trademark firm in Frankfurt am Main, Germany, Top Rated for EU trademark work on the cumulative record, one of 8,694 firms filing in Germany, strongest in Appliances, Electronics and Construction, acting for Zehnder Group International AG, samecon GmbH & Co. KG and WITAL GMBH.
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Selected from 8,694 firms filing in Germany
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IPRATE.EUTop Rated
TRADEMARKS · 2026
TRADEMARKS · 2026Confidence
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
Archetype
Full-Service Generalist
Distinct Clients
51
Success Rate
100.0%
Volume95
Success90
Speed89
Durability85
Renewals96
Domestic6
Practice profile
Top classes
Appliances(42%) · Nice 11Electronics(24%) · Nice 9Construction(17%) · Nice 37
Top clients
- Zehnder Group International AG
- samecon GmbH & Co. KG
- WITAL GMBH
- Zhejiang Yasun Intelligent Technology Co., Ltd.
- SQUAKE.earth GmbH