HW
Helin, William
Stockholm, Sweden
Helin, William 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 Electrical and Plasma, acting for ABB Schweiz AG, ABB Research Ltd. and ABB Technology AG.
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Selected from 409 firms filing in Sweden
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IPRATE.EURated
PATENTS · 2026
Confidence
Good Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Patents · European · Cumulative (20y)Rating
Good Confidence
Archetype
Diversified Portfolio
Distinct Clients
5
Success Rate
70.0%
Volume67
Success61
Speed71
Durability66
RenewalsN/A
Domestic14
Practice profile
Top classes
Electrical(5%) · IPC H01H3/30Plasma(3%) · IPC H05K7/20
Top clients
- ABB Schweiz AG
- ABB Research Ltd.
- ABB Technology AG
- ABB AS