A&
Arnold & Siedsma
Antwerpen, Belgium
Arnold & Siedsma is a trademark firm in Antwerpen, Belgium, rated Elite for EU trademark work on the cumulative record, one of 928 firms filing in Belgium, strongest in Electronics, Toys and Education, acting for SC IP Limited, ALEACSYS ONLINE B.V. and Engineer.ai Global Limited.
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Selected from 928 firms filing in Belgium
Rated 6 October 2026 · official records counted to 31 January 2026. Scoring counts filings from 1 May 2004 onward. Why.
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IPRATE.EUElite
TRADEMARKS · 2026
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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
435
Success Rate
95.0%
Volume100
Success98
Speed28
Durability84
Renewals99
Domestic61
Practice profile
Top classes
Electronics(9%) · Nice 9Toys(3%) · Nice 28Education(3%) · Nice 41
Top clients
- SC IP Limited
- ALEACSYS ONLINE B.V.
- Engineer.ai Global Limited
- Korda Developments Limited
- Interalu N.V.