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Ostertag, Ulrich
Stuttgart, Germany
Ostertag, Ulrich is a patent firm in Stuttgart, Germany, Top Rated for european patent work on the cumulative record, one of 4,381 firms filing in Germany, strongest in Construction, Engineering and Operations, acting for Hansa Metallwerke AG, Eisenmann AG and EISENMANN Anlagenbau GmbH & Co. KG.
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IPRATE.EUTop Rated
PATENTS · 2026
Confidence
High Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Patents · European · Cumulative (20y)Rating
High Confidence
Archetype
Full-Service Generalist
Distinct Clients
29
Success Rate
62.8%
Volume76
Success76
Speed65
Durability88
RenewalsN/A
Domestic94
Practice profile
Top classes
Construction(8%) · IPC E03C1/04Engineering(3%) · IPC F26B21/14Operations(3%) · IPC B05B15/12
Top clients
- Hansa Metallwerke AG
- Eisenmann AG
- EISENMANN Anlagenbau GmbH & Co. KG
- Hansa Armaturen GmbH