DD
Dipl.-Phys. Dr.rer.nat. Dr. Karl-Ulrich Braun-Dullaeus
Germany
Dipl.-Phys. Dr.rer.nat. Dr. Karl-Ulrich Braun-Dullaeus is a patent firm in Germany, Rated for european patent work on the cumulative record, one of 4,380 firms filing in Germany, strongest in Operations, Telecom and Computing, acting for Deutsche Telekom AG, Wieth, Franz and Bell and Howell, LLC.
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IPRATE.EURated
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
39
Success Rate
61.2%
Volume74
Success64
Speed38
Durability85
RenewalsN/A
Domestic87
Practice profile
Top classes
Operations(4%) · IPC B62B3/14Telecom(3%) · IPC H04M1/725Computing(2%) · IPC G06Q10/00
Top clients
- Deutsche Telekom AG
- Wieth, Franz
- Bell and Howell, LLC
- Sonnendorfer, Horst
- Rhodius Schleifwerkzeuge GmbH & Co. KG