SC
Sofia Castro
Portugal
Sofia Castro is a trademark attorney in Portugal, Rated for EU trademark work on the cumulative record, rated in a market of 1,829 firms filing in Portugal, strongest in Vehicles, Building and Advertising, acting for Nanoray Biotech Co., Ltd., A-PRO TECH CO., LTD. and Infinity Media International Limited.
Rated in a market of 1,829 firms filing in Portugal
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IPRATE.EURated
TRADEMARKS · 2026
Confidence
High Confidence. The published tier reflects the selected country, vertical, track, and time window.
Vertical
Track
Window
Performance
Trademarks · EU · Cumulative (20y)Rating
High Confidence
Archetype
Full-Service Generalist
Distinct Clients
11
Success Rate
100.0%
Volume100
Success66
Speed66
Durability55
Renewals69
Domestic24
Practice profile
Top classes
Vehicles(13%) · Nice 12Building(13%) · Nice 19Advertising(13%) · Nice 35
Top clients
- Nanoray Biotech Co., Ltd.
- A-PRO TECH CO., LTD.
- Infinity Media International Limited
- V.ABC HOLDINGS LIMITED
- Yichang Lanqier Import and Export Co., Ltd.