WS
Willquist, Sofia Ellinor
Stockholm, Sweden
Willquist, Sofia Ellinor is a patent firm in Stockholm, Sweden, Top Rated for european patent work on the cumulative record, one of 409 firms filing in Sweden, strongest in Plasma, Engineering and // F21Y101/02, acting for Toshiba Lighting & Technology Corporation, Kabushiki Kaisha Toshiba and KIH-utveckling AB.
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Selected from 409 firms filing in Sweden
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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
35
Success Rate
17.5%
Volume93
Success63
Speed76
Durability68
RenewalsN/A
Domestic6
Practice profile
Top classes
Plasma(16%) · IPC H05B33/08Engineering(6%) · IPC F21K99/00// F21Y101/02(6%)
Top clients
- Toshiba Lighting & Technology Corporation
- Kabushiki Kaisha Toshiba
- KIH-utveckling AB
- Husqvarna Consumer Outdoor Products N.A., Inc.
- Acticon AB