DZ
David Ziegelmayer
Germany
David Ziegelmayer is a trademark attorney in Germany, Top Rated for EU trademark work on the cumulative record, rated in a market of 8,708 firms filing in Germany, strongest in Advertising, Technology and Education, acting for Grapecheck GmbH, BAR-TEK Motorsport GmbH and Land Nordrhein-Westfalen et al.
Rated in a market of 8,708 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
Distinct Clients
23
Success Rate
89.7%
Volume94
Success70
Speed79
Durability64
Renewals77
Domestic77
Practice profile
Top classes
Advertising(40%) · Nice 35Technology(16%) · Nice 42Education(12%) · Nice 41
Top clients
- Grapecheck GmbH
- BAR-TEK Motorsport GmbH
- Land Nordrhein-Westfalen et al
- Stillou eGbR
- Erdi Kurtman