ES
Engdahl, Stefan
SpecialistTelecom · IPC H04Stockholm, Sweden
Engdahl, Stefan is a patent firm in Stockholm, Sweden, Rated for european patent work on the cumulative record, one of 409 firms filing in Sweden, strongest in Telecom, acting for InterDigital Technology Corporation, InterDigital Patent Holdings, Inc. and Cinnober Financial Technology AB.
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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
41
Success Rate
50.8%
Volume95
Success75
Speed26
Durability87
RenewalsN/A
Domestic10
Practice profile
Top classes
Telecom(5%) · IPC H04L1/18
Top clients
- InterDigital Technology Corporation
- InterDigital Patent Holdings, Inc.
- Cinnober Financial Technology AB
- IPR Licensing Inc.
- ÅLÖ AB